In “physical food and nutrition”, “cooking” is not only a process and operation technology, but also a “cooking science”. It is not only to study the timing, location and human harmony, through adjusting the diet structure, to reconcile the relationship between heaven, earth and human; but also to study the human physique type, through adjusting the diet structure, to adjust the pathological physique to normal physique. Salt Salt is a very important condiment, salty, slightly pungent, cold and non-toxic. The main component is sodium chloride, crude salt still contains a small amount of impurities, such as potassium chloride, magnesium carbonate, etc. There is also iodine in sea salt. Its functions are to clear heat, detoxify, cool the blood, moisten dryness, stop vomiting, anti-inflammatory, laxative, and spleen and stomach, eliminate food, help the kidneys, strengthen the tendons, solid teeth, bright eyes. Because of its cold nature, so cold body (late cold quality) and weary body (weary thorax) people eat less, and these two types of people are prone to see deficiency swelling, so more avoid salty. Modern people eat more “thick”, which is high in sodium and low in potassium, easy to cause water and sodium retention and swelling, so Western medicine will be kidney disease patients avoid salt. Hypertensive patients should be less salt, daily salt intake when controlled at 5 grams or less. In recent years, there have been many clinical reports on the use of salt to treat diseases, including diarrhea, heat stroke, rheumatoid arthritis, hemorrhoids, toothache, constipation, hives and so on. There are numerous folk remedies using salt. Sugar is mostly processed from sugar cane and sugar beet juice, which is digested into the body and becomes glucose to provide energy, and the excess can be converted into fat. Therefore, not only diabetic patients should eat less sugar, obese people should also eat less. White granulated sugar is sweet and cool in nature, with the function of harmonizing the spleen, moistening the lungs and generating fluid. Iced sugar is the same as white sugar, and its function of moistening the lung is especially good. It is suitable for people with hot body (dry red quality) who have dry lung, dry cough and constipation, but not for people with cold body. Red sugar is sweet and warm, is a kind of unrefined sugar, contains a variety of trace elements, postpartum dew, abdominal pain, women’s blood deficiency, menstrual disorders, dysmenorrhea is appropriate. The function of caramel is the same as that of red sugar, which can cause bleeding when mistakenly consumed by those with fire in the spleen and stomach and thirst. It is not suitable for those with wet body (greasy and stagnant). Rice vinegar is sour and bitter, warm in nature, non-toxic. When vinegar enters the mouth, it is acidic, but after entering the body, it can make the body fluid alkaline through metabolism. It can increase freshness, sweetness and aroma when used in cooking. It has a special function to mix the flavor. Vinegar has a long history of being used for medical treatment. According to the Compendium of Materia Medica, “Vinegar is used to cure all sores and swellings, pain in heart and abdomen, phlegm and blood disease, and to kill fish, meat and vegetables, and all insects and poisonous gas, just because of its acidic meaning, and it has the function of dispersing stasis and detoxifying.” Therefore, it is suitable for those with stasis body (obscure quality). Modern medicine also uses it to prevent and treat influenza, hepatitis, bacillary dysentery, hypertension, roundworm, esophageal cancer, bone trauma, leakage, corns, herpes zoster, baldness, neurodermatitis, eczema, chronic pharyngitis and so on. Although rice vinegar has many medicinal effects, but those who have wet body with wet spleen and stomach (greasy and stagnant quality) cannot eat vinegar, and those who have tendon and vein constrictions, external sensation at the beginning and stomach and duodenal ulcer with high stomach acid should not eat vinegar. Except for rice vinegar, other vinegars are not used in medicine. Oil There are two kinds of edible oil, animal oil and vegetable oil, which are the main sources of nutrients such as energy, fatty acid, phospholipid and cholesterol for human body. Since the source of oil is different, its nature and taste are hard to say. At present, urban people eat too much oil, especially too much animal fat, which is harmful, and they are one of the important roots of coronary heart disease and stroke. Most vegetable oils not only do not contain cholesterol, but also contain ingredients such as gluten sterols and soy sterols, which prevent cholesterol absorption in the digestive tract. The author recommends sesame oil, which has a light laxative effect and can cure constipation in hot bodies (dry red mass) and increase the volume of red blood cells, so it is quite suitable for tired bodies with deficiency of both blood and gas, but should be avoided in loose stools. Rice wine is bitter, sweet, pungent, hot and poisonous, and is only used as a condiment. Rice wine contains about 10% ethanol, wine can go to a variety of meat, fish, shrimp, crab fishy odor, ethanol has a special aroma, long-aged wine and ethyl ester fragrance, can improve the taste of dishes. Wine can be sterilized, antiseptic. According to the “Compendium of Materia Medica”, the functions of rice wine are: to perform medicinal functions, to kill the poisonous gas of a hundred evils, to pass blood vessels, to thicken the stomach and intestines, to moisten the skin, to disperse dampness, to eliminate worry and anger, to declare smooth intentions, to nourish the spleen, to support the liver, to remove the wind and lower the gas, to solve the poison of horse meat and tung oil, and to start all kinds of illnesses with dangshi. The traditional Chinese medicinal wine is made by putting various medicines into it with wine as the solvent, and the “Compendium of Materia Medica” introduces it in large quantities and indicates its therapeutic efficacy, which is a merit. Unfortunately, it is a pity that it is not indicated as a contraindication for the body type. Five spice powder commercially available five spice powder from the cinnamon, crabapple, star anise, dry ginger and licorice and other grind and become, taste pungent and sweet and hot nature. Cinnamon, taste pungent sweet, hot, function warm stomach, warm waist and knees, the treatment of abdominal cold gas bloating women postpartum abdominal cold pain, abdominal cold pain and stomach gas cold pain, etc., cinnamon more than a miracle. Kaempferia, pungent, warm, non-toxic, function warming, ward off malaria, treating cold pain in the heart and abdomen, cold dampness and cholera, wind and insect toothache. Anise, pungent and sweet, warm in nature, has the function of moving qi and warming the stomach, with the function of kaempferia, more bactericidal effect. Dried ginger, pungent, warm in nature, non-toxic, can treat chest full of cough rebellious upper gas, warming the middle to stop bleeding, sweating, expel wind-damp paralysis, intestinal dysentery, cold abdominal pain, waist and kidney cold, pass blood to remove wind, pass the limbs and joints, open the five organs and six internal organs, declare all the veins, treat frequent night urination, appetite, eliminate food. Glycyrrhiza glabra, sweet, flat, non-toxic, treats cold and heat in the five viscera and six internal organs, strengthens tendons and bones, and muscles, doubles the strength, heals gold sores, detoxifies all medicines, warms the middle and down the qi, benefits the essence and nourishes the qi, moistens the lungs, replenishes the spleen and stomach, reduces fire and relieves pain. This shows that the powder of five spices set all the heat medicine in one side, really suitable for cold body and weary body, suitable for the internal cold caused by the stasis body and wet body, but the hot body and all with internal heat is a contraindicated product. If the food is contraindicated, in addition to easily incur all the blood evidence, but also can stimulate all the persistent diseases caused by internal heat.