Precautions for pulmonary sarcoidosis include early examination to identify the cause of the disease and treatment, controlling and preventing infection, strengthening exercise and nutrition, and avoiding food. 1. Early examination to determine the cause of the disease and treatment is the most important precaution. Early control of the disease can increase the cure rate and reduce the risk of complications. 2. Control and prevent infection, if there is infection, it is necessary to use penicillin and other antibiotics in time to control; if there is no infection, it is also necessary to prevent it at an early stage, so as to avoid aggravation of the disease due to infection. 3. Strengthen the exercise and nutrition, appropriate slow walking and other sports, while more intake of beef, vegetables and other protein and vitamin-rich food, improve their own immunity. 4. Pay attention to the diet, avoid eating spicy, cold and other stimulating food, quit smoking, quit drinking. Specific to the doctor’s recommendations prevail, as soon as possible to seek medical treatment in accordance with medical advice.