According to Chinese nutrition, banana is a cold food. Banana is also known as banana, banana fruit. It is sweet in flavor and cold in nature. It belongs to the lung and spleen meridians. It has the effects of clearing heat, moisturizing the lungs, sliding the intestines and detoxifying the body. Banana is sweet and cold, can clear lung heat and relieve cough. At the same time, bananas lubricate the bowels, so regular consumption will help smooth the bowels. Bananas contain carbohydrates, vitamins, minerals and 5-hydroxytryptamine, mucus and other components. Where hypertension, atherosclerosis, coronary heart disease, habitual constipation and gastric ulcers can be eaten often. Banana contains more potassium, but also has the effect of laxative, especially suitable for high blood pressure constipation. It should also be noted that, compared with drugs, food is weak and slow to take effect, and needs to be consumed regularly to be effective. Foods are not generally used to treat diseases. If you feel unwell, please follow your doctor’s advice for diagnosis and treatment.