Cold and cough are caused by the invasion of pathogens in the body, resulting in congestion, edema and even exudation of inflammatory substances from the mucous membrane of the upper respiratory tract, damage to the surface of the mucous membrane, and even bleeding from ruptured capillaries. At this time, the diet must be light, do not eat spicy and stimulating, fried, hard food. Soft or even liquid, easily digested and absorbed foods should be the mainstay, such as vegetables and fruits rich in biological water, such as cabbage, spinach, cucumber, tomatoes, dragon fruit, pears, cantaloupe, papaya, white radish, cucumber, yam, etc., are all good choices. You can also take appropriate allopathic Chinese medicines, such as honey-refined Chuanbei loquat paste, snake bile Chenpi san, snake bile Chuanbei liquid, etc., which have the effect of clearing the throat, throat and lung, and can relieve the symptoms of cold and cough.