Early gastric tumors are less than 0.5 cm in size, usually without metastasis and with intact tumor periphery. Early gastric tumors are usually small in size, mostly within 0.5 cm, and the lesions are limited, patients usually have no obvious symptoms, but a few cases may have abdominal pain, abdominal distension, gastrointestinal bleeding and other symptoms. Early gastric tumors should be treated by surgery at an early stage to remove the cancer cells from the patient’s body. Patients may be cured after treatment. The symptoms of early gastric tumor are not obvious and may be easily confused with benign gastric diseases. If patients have stomach discomfort, they should go to the hospital for examination and early treatment after clear diagnosis. Early gastric tumor patients can eat some high protein, high calorie, high vitamin, easy-to-digest liquid or semi-liquid food, and patients should pay attention to keep the mouth clean and moist.