The treatment of gastric yin deficiency is to benefit the stomach and nourish yin, and the medicines should be added or subtracted according to the symptoms, tongue and pulse. Commonly used formulas are Yi Stomach Soup, Maimendong Soup, and Enriching Liquid Soup. In the late stage of warm disease, stomach yin is easily damaged, and symptoms such as loss of appetite, dry mouth and throat, red tongue with little moss, and fine pulse (the pulse becomes narrower and finer, and the rate is faster) can be treated with Yi Stomach Tang. The main medicines include Radix Salviae Miltiorrhizae, Ophiopogon, Rock Sugar, Radix et Rhizoma Dioscoreae and Rhizoma Polygonati Odorati, etc., which can help to nourish yin and benefit the stomach. Stomach yin insufficiency (insufficient yin fluid in the stomach) manifesting as low food intake (no appetite, reduced food intake), hiccups, thirst and dryness of the throat and other yin deficiency and upward reversal of gastric qi (gastric qi rises instead of falling), can be used in Mai Mendong Tang with subtractions, which is mainly composed of maitake dong, galaxanthin, ginseng, ginger, jujube, and licorice, and can achieve the purpose of clearing and nourishing lungs and stomachs and lowering rebellious and lowering qi. For those with insufficient stomach yin for constipation, with thirst, dry and red tongue, thin and numb pulse or sunken and weak pulse, add and subtract Enriching Liquid Soup, which is composed of Radix Panax Ginseng, Radix Rehmanniae Praeparatae, Radix et Rhizoma Ophiopogonis, Rhizoma Ophiopogonis, and Rhizoma Ophiopogonis, which can achieve the purpose of enriching liquid and moisturizing. The above Chinese herbal prescription should be used after identification by a professional Chinese medicine practitioner, do not blindly self-medicate, so as not to aggravate the condition or cause adverse consequences.