Stomach yin deficiency and stomach yang deficiency can usually be differentiated from the causes, clinical manifestations and treatments. 1. Causes: Stomach yin deficiency is mostly caused by the patient’s love of spicy and greasy food, which depletes the stomach yin; stomach yang deficiency is mostly caused by the patient’s love of cold and raw drinks, which damages the stomach yang. 2. Clinical Symptoms: Clinical symptoms of gastric yin deficiency include burning pain in the stomach, accompanied by dry stools, bleeding and swelling of the gums, red tongue with little moss, and fine pulse (the pulse becomes narrower and finer and the rate is accelerated), etc. Symptoms of gastric yang deficiency include pain in the stomach and epigastric region (pain in the part of the stomach close to the heart socket), aggravation in the presence of cold, a preference for warmth and pressure, diarrhea and fear of cold. 3. Treatment: Stomach yin deficiency requires nourishing yin and clearing heat (nourishing yin essence and removing heat), which is often treated with the addition and subtraction of Yiqi Tang; stomach yang deficiency requires warming the stomach and dispersing cold, which is often treated with the addition and subtraction of Lizhong Tang. If you have stomach discomfort, it is recommended to consult a regular hospital and use the above medications under the guidance of a doctor’s diagnosis and treatment, do not take medication on your own to delay your condition.