Nausea, vomiting, and constant salivation are caused by insufficient gastric power and spleen deficiency, which leads to nausea and vomiting, and excessive fluid and inability to take in and take out saliva. Patients should strengthen the spleen and remove dampness, benefit the qi and nourish the stomach. You can eat yam, barley, poria porridge, or use Chinese medicine such as Ginseng Jianshuwan and Ginseng Baijiao San. Patients should pay attention to dietary regimen, quit smoking, quit drinking, quit strong tea and coffee. Eat less and more meals, and the diet should be light and easy to digest. Avoid overeating, overeating and cold, greasy and hard food stimulation, and avoid spicy and stimulating food. Keep a relaxed mood, appropriate outdoor exercise, and obese people should also lose weight scientifically to improve their physique. Patients whose symptoms do not improve continuously should go to the hospital for examination and treatment.