It is bitter and cold in nature, belongs to the heart, liver, stomach and gall bladder meridian, mainly has the effect of clearing heat and detoxifying, cooling the blood and improving the throat. The reason is that drinking alcohol has a certain effect on the effect of Banlangen, such as reducing the effectiveness of the medicine or can produce some adverse reactions, so alcohol must be prohibited during the consumption of Banlangen. It is a good treatment for upper respiratory tract infections, mumps, acute enteritis, bacterial dysentery, hepatitis and other diseases. In addition to prohibiting alcohol consumption, you should also eat a light diet, not to eat too spicy food, such as chili, garlic, pepper and other foods, and should also drink more water, and eat more fresh vegetables and fruits, etc.