Tongue cracking, the name of the disease. See Jing Yue Quan Shu – Miscellaneous Evidence Mol: “Heart heat causes tongue cracking and sores.” This disease is caused by the inflammation of the heart fire. The symptoms are painful tongue rupture and dry mouth. The treatment is to clear the heart and relieve fire. Add and subtract with Huang Lian Detoxification Tang and Guo Chi San. For those who suffer from dry mouth and dry throat due to depletion of yin and fluid, the treatment is to nourish yin and moisten dryness. The treatment is to nourish Yin and moisten dryness. See the article on sores on the tongue. It is characterized by the formation of deep grooves on the dorsum of the tongue, which are arranged in the direction of either the leaf veins or the cerebral lines. Generally, there are no conscious symptoms, and the number of normal papillary fissures in the deep grooves on the back of the tongue is not certain. The cleft furrow can easily hide dirty things and cause congestion and edema and inflammation. There is mild discomfort or tingling when exposed to irritating food. The reason why patients with cleft tongue suffer is that it is not easy to clean the cleft tongue, which leads to infection and discomfort. 1, heat and injury: the seven feelings of depression, qi depression into fire. Fire and heat invasion, heart fire on the inflammation, and the heart is open to the tongue, the tongue for the heart of the seedlings. The heart fire inflames the tongue through the meridian. Then the tongue muscle membrane blood vessels by the fire heat steam, dry injury and cracking. Or because of plain eating spicy fatty sweet, heat fire, stomach fire, stomach Yin burned to dry and cracked tongue. 2, yin deficiency fire: long-standing disease disorders, indiscretion in the room or emotional internal injury, etc. lead to liver and kidney yin deficiency. As the Yin of the liver and kidney are mutually beneficial. Liver yin is sufficient, it is hidden in the kidneys, kidney yin is strong, it will nourish liver water, so there is a “liver and kidney homologation” said. Now liver yin deficiency can be down and kidney yin, so that the kidney yin deficiency, kidney yin deficiency can not nourish the liver wood, resulting in liver yin also deficiency, and because of the foot Shao Yin kidney meridian hosts the tongue, the foot Convulsive Yin liver meridian complex tongue. Therefore, yin deficiency and fire leads to loss of nourishment of yin and fluid in the tongue body, the essence is not honored, and cracks appear in the tongue body. 3.Spleen deficiency without transportation: due to diet disorder, overwork. Or other acute and chronic illnesses. Damage to spleen qi, resulting in spleen qi deficiency. Loss of health in transportation and transformation. Sluggish digestion and weakness in transporting essence. The spleen is the source of Qi and blood biochemistry. Insufficient spleen qi and blood can not moisten and warm the tongue, resulting in the inability of the fluid to reach the tongue, making the tongue dry and cracked.