Ginger tea is a commonly used tea, usually taken orally is recommended to be best taken about 1 hour after meals, the effect is the best, but also to reduce adverse reactions. Ginger tea is relatively warm, and there is a certain degree of stimulation, if it is taken before meals on an empty stomach, easy to stimulate the gastrointestinal tract, the symptoms of gastrointestinal discomfort, if long-term oral, and even gastritis, gastric ulcers and other conditions. Ginger tea has the function of warming the stomach and dispersing cold, as well as dispersing sweat, dispersing wind and cold, etc. It can be used to prevent and treat wind and cold, spleen and stomach Yang deficiency, stomach cold and abdominal pain. It also has a certain digestive aid and is effective in treating spleen and stomach Yang deficiency and loss of appetite.