The precautions to be taken after discharge from the hospital include strengthening personal protection, balanced nutrition, attention to rest, and appropriate exercise. After being discharged from the hospital, patients with pneumonia still need a certain amount of time to recover, and need to strengthen personal protection by wearing masks, washing hands frequently, and not going to crowded places in order to avoid secondary infections. In addition, the new crown patients must pay attention to nutritional balance after discharge, can eat more vitamin C and protein-containing foods, such as fresh vegetables and fruits, milk, eggs, etc., can also enhance the body resistance to promote recovery. After the new crown pneumonia patients do not overwork, pay attention to rest, you can do some aerobic exercise to enhance resistance.