To improve immunity by taking Yu Ping Feng granules, a course of treatment, i.e. 2-4 weeks, is usually required. Yu Ping Feng granules are made of Fang Feng, Huang Qi and Atractylodes macrocephala, which have the effects of benefiting Qi, fixing the surface and stopping sweating. Yu Ping Feng granules are a kind of regulating medicine, which has good effect on strengthening the spleen and improving the immunity of human body, as well as anti-allergy, and also has a regulating effect on the damage of human liver and edema. As each person’s constitution is different, it is recommended to take it under the guidance of a doctor and to follow up after taking a course of treatment. Patients may experience gastrointestinal discomfort, rash, itchy skin and other adverse reactions while taking Yu Ping Feng granules, so long-term use is not recommended and should be taken according to medical advice. It is important to maintain a balanced diet, consume more vegetables and fruits, and exercise actively. In case of adverse reactions after taking Yu Ping Feng granules, stop taking the medicine immediately and go to the Chinese medicine department or the emergency department of the hospital as soon as possible.