Stomach yin deficiency (insufficient yin fluid in the stomach) is also called stomach yin deficiency. Therefore, gastric yin deficiency and gastric yin deficiency are different names for the same disease in traditional Chinese medicine, and there is no essential difference between the two, which refers to the symptoms of insufficient yin fluid in the stomach. Stomach yin insufficiency is the name of the disease in Chinese medicine, mostly caused by stomach heat, stomach fire blazing, or warm disease consume stomach yin, the symptoms of dry mouth and lips, noisy (stomach similar to hunger, emptiness with a burning sensation), dry vomiting, dietary reduction, or swallowing is not good, chest and diaphragm discomfort after eating, dry and knotty stools, tongue red center, dry, little moss, or tongue light, dry and red, pulse is fine (pulse narrowing and thinning and accelerated rate), and so on. The treatment is to nourish yin and benefit the stomach (replenish yin fluid and enhance the function of the stomach and internal organs), and medicines such as maitong, chuan dendrobium, mulberry leaf and poria can be taken according to the doctor’s instructions. If the above symptoms occur, you should also seek medical attention. Specific medication should also be carried out under the guidance of the physician’s diagnosis.