The tongue is an important organ of the human body. By observing the changes in color and shape of the tongue, we can measure the health status of the body and assist in the diagnosis and identification of many diseases, and it is an important diagnostic tool in Chinese medicine. What are the most common tongue qualities in life? What are the possible problems of the body? A, cracked tongue: tongue surface to see the number of different, varying depths, the shape of the crack, that is, the cracked tongue. There are three common cases of cracked tongue: (1) heat and yin, mostly red-red tongue with cracks; if you find yourself in this phenomenon, you need to seek medical attention, and you should avoid intake of hot food in daily life. Eat more foods that nourish Yin and lower fire. (2) Blood deficiency without moistening, mostly pale white tongue with cracks; this type of tongue is mostly anemic or patients after major illness or surgery, they need to eat more food to nourish blood, but remember to nourish blood in a gradual manner. (3) Spleen deficiency and dampness immersion, with a pale white, fat and tender tongue, with teeth marks and cracks on the side. Most patients with spleen deficiency and dampness should eat more yam, barley and other foods that nourish the spleen and strengthen the stomach to dispel dampness in daily life. Second, tooth mark tongue: the edge of the tongue body to see the traces of teeth, that is, the tooth mark tongue. There are three common cases of tongue with teeth marks: (1) Pale white tongue with teeth marks, which is cold and damp. These patients must pay attention to keeping warm in daily life, do not eat cold food, and try to avoid overly humid environments. (2) A pale red tongue with tooth marks belongs to spleen deficiency or qi deficiency. In daily life, you can use ginseng and poria in water. (3) Red tongue with swollen mouth and teeth marks on the side, mostly due to dampness, heat, phlegm and congestion. This type of patients belong to the more serious condition, it is recommended to go to the hospital early. (3) fat tongue: the tongue is fat and floating, or there are teeth marks on the side, the color is light and tender that is fat tongue. There are two common cases of fat tongue: (1) the tongue is fat and tender, light in color. There are teeth marks on the edge of the tongue, thin white tongue coating, white face and cold form, little breath and lazy speech, tiredness and little food, abdominal fullness and loose stools, and a weak or sluggish pulse. Mostly, the spleen is deficient. It is recommended to consume foods that strengthen the spleen in daily life, such as yam, poria, coix seeds, etc. (2) Large, fat and tender tongue, pale color, tooth marks on the side, swelling below the waist, little urination, cold form and fatigue, cold extremities, dull or shaky white face, sluggish or sunken pulse. Mostly kidney deficiency and water flooding. It is recommended to eat more black beans, winter melon and other foods in daily life. In fact, there are many tongue mosses such as yellow greasy moss, gray moss, black moss, etc. associated with many health problems in the body. Every morning when we brush our teeth we should look more at our own tongue and that of our family members, if there are obvious abnormalities to be adjusted in time and if necessary to go to a regular hospital for treatment!