Watermelon, known as the supreme king of fruits, sweet and refreshing, can remove the summer heat and thirst, but also has a good diuretic effect, is a good summer fruit, as the saying goes: “summer days a few pieces of melon, the medicine do not have to catch.” Let’s go further to understand it. First, the nutritional value of watermelon watermelon in addition to fat-free, the juice includes almost all kinds of nutrients that the human body needs, such as vitamin A, B, C and protein, glucose, sucrose, fructose, malic acid, glutamic acid, citrulline, arginine, phosphoric acid and calcium, iron, phosphorus and crude fiber. Each 100 grams of watermelon contains 133.8 kilojoules of calories, 0.5 grams of protein, 0.1 grams of dietary fiber, 6.4 grams of sugar, 38 micrograms of Vitamin A, Vitamin B1 0.01 milligrams, Vitamin B2 0.04 milligrams, niacin 0.4 milligrams, Vitamin F 0.03 milligrams, Vitamin C 7 milligrams, 79 milligrams of potassium, 4.2 milligrams of sodium, 10 milligrams of calcium, 0.5 milligrams of iron, zinc 0.1 mg, phosphorus 13 mg, selenium 0.08 micrograms. Second, the medicinal value of watermelon watermelon for the cucurbitaceae plant watermelon fruit, motherland medicine, watermelon is not only thirst, nutritious, and has a high medicinal value. Watermelon is sweet and cold, into the heart, the spleen two meridians, there are clearing the heat to eliminate boredom, quench the thirst of summer heat, wide in the upper gas, treatment of paralysis of the throat, diuresis, treatment of dysentery, the efficacy of the alcohol poisoning. It is suitable for heatstroke fever, heat and fluid injury, boredom and thirst, urine and yellow urine, throat swelling and mouth sores. Melon Flesh: Sweet, cold, non-toxic. Functions: Clearing heat and relieving heatstroke, quenching thirst, facilitating urination, relieving alcohol poisoning, etc. It is used to treat all kinds of fever, summer heat and thirst, unfavorable urination, sore throat, inflammation of the mouth, and alcohol intoxication. The green part of the watermelon rind is called “Watermelon Cuiyi”, which can treat edema, burns, gastritis and other diseases. Suffer from wind and fire toothache, can take after the sun and night dew dry watermelon rind appropriate amount, research into crushed with a small amount of ice chips, coated in the toothache, can receive pain relief and anti-inflammatory effect. Watermelon seed kernel can lower blood pressure, clear the lungs and moisten the intestines, and quench thirst and other effects. Watermelon cream: can cure mouth sores, mouth chancre, tooth chancre, throat moth (acute pharyngolaryngitis), and all throat diseases. Watermelon seeds: have the effect of clearing the lungs and moistening the lungs, quenching thirst with the middle, helping digestion, can cure vomiting blood, long cough. Seeds and shells: used to treat intestinal wind and blood, bloody diarrhea. Modern pharmacological research that watermelon contains sugar, salt and protease has the role of treatment of nephritis and lower blood pressure. Watermelon seed kernel also contains an ingredient that can lower blood pressure. Taking 9-15 grams of raw or fried food has the effect of lowering blood pressure and relieves the symptoms of acute cystitis. The roots and leaves of watermelon are taken internally in decoction soup, which is effective for diarrhea and enteritis. Watermelon rind contains glucose, amino acids, malic acid, lycopene and C and other ingredients, melon rind after drying, can relieve summer heat, anti-inflammatory and antihypertensive, but also reduce cholesterol in the arterial wall deposition. Third, eat watermelon, need to pay attention to the problem 1, do not eat too much, or hurt the spleen and stomach, causing laryngitis. Watermelon is cold products, eat more easy to hurt the spleen and stomach, so the spleen and stomach cold, indigestion, stool slippery people eat less appropriate, more food will be bloating, diarrhea, decreased appetite, but also accumulation of cold and wet, leading to disease. Eating too much watermelon at one time, a lot of water in the watermelon will dilute the gastric juice, causing indigestion and gastrointestinal resistance decline. 2, do not eat watermelon at the beginning of the cold, otherwise it will make the cold worse or prolong the healing time. Whether it is wind-cold cold or wind-heat cold, the initial stage of its belongs to the table, should be used to make the evil from the table to dissolve the dispersion approach to treatment. According to Chinese medicine practitioners, one should not attack the inside of the body before the surface is dissolved, otherwise the disease will be aggravated if the surface evils enter the inside of the body. In the early stage of a cold, when the disease is on the surface, eating watermelon is equivalent to taking medicines to clear the heat in the interior, which will lead the evil into the interior, making the cold worse or prolonging the healing time. However, when the cold is aggravated by high fever, thirst, sore throat, urine yellow and red fever, in the normal use of medication at the same time, you can eat some watermelon, which will help the cold to heal. 3, do not eat open too long watermelon. High temperatures, watermelon open too long easy to deteriorate, breeding bacteria, eating will lead to intestinal infectious diseases. Therefore, eat watermelon should pay attention to choose mature fresh watermelon. 4, renal insufficiency should not eat. Eat a lot of watermelon in a short period of time, so that the body water increases, more than the body’s physiological capacity. Renal insufficiency, the kidney’s ability to regulate water is greatly reduced, too much water into the body, can not be regulated and discharged from the body, resulting in a sharp increase in blood volume, prone to acute heart failure and death. 5, mouth ulcers do not eat. Chinese medicine believes that the main cause of mouth ulcers is Yin deficiency and internal heat, false fire, burned flesh and blood. Watermelon has a diuretic effect, mouth ulcers if you eat more watermelon, will make the body need normal water through the diuretic effect of watermelon discharged some, which will aggravate the state of yin fluid deficiency. Yin deficiency is the internal heat, aggravate mouth ulcers. 6, diabetics should eat less. Watermelon contains about 5% sugar, diabetic patients eat watermelon in excess, but also lead to increased blood sugar, urine sugar and other consequences, severe ketoacidosis coma reaction will occur. If you eat 25-50 grams of watermelon at a time, the impact on diabetics is not significant, so diabetics should pay attention to the amount of watermelon.