1, regular life. Avoid long-term overwork and mental tension, a balanced diet. 2, strengthen physical exercise, because enhance physical fitness, improve their own immunity. 3.Prevent diseases related to tuberculosis. Such as diabetes, AIDS, silicosis, gastrointestinal diseases, tumors, organ transplants, long-term use of glucocorticoids, etc. 4.Change the bad habits of life. ① Quit smoking. The greater the number of cigarettes smoked, the greater the chance of tuberculosis. The cough and sputum caused by smoking also tend to cover up the symptoms of tuberculosis, which affects the timely detection and treatment of tuberculosis. ② Limit alcohol. Drinking large amounts of alcohol can lead to malnutrition and decreased resistance, while alcohol can damage the liver, once the tuberculosis disease, can increase the toxicity of anti-tuberculosis drugs to the liver and affect treatment. ③ Avoid staying up late for a long time. 5. Preventive treatment for the high-incidence group. The focus of preventive treatment is on infected children within the families of newly discovered patients with disseminated tuberculosis, especially children under 5 years of age and members with tuberculin test reactions ≥15mm or blisters. 6. Therefore, spitting is prohibited, and the sputum and daily necessities of bacillus-positive patients, as well as the surrounding things should be disinfected and properly treated, disinfected by ultraviolet radiation, boiling, exposure to sunlight, 5%-10% Lysol soaking, 20% bleach solution disinfection, etc.