Willows are not only edible but also of high pharmaceutical value. It is available for pick-up in spring and summer. Willow tastes bitter, sexually cold, clean. The internal clothing is used to treat all types of inflammation infections such as heated, rash, urine, detoxification, upper respiratory infections, bronchitis, pneumonia, bladderitis, larynx, etc., and is used externally for oedema, sepsis, mammosis, etc. There are many practices。