Patients with tuberculosis undergo tracheoscopy for two purposes: 1. To further clarify whether other diseases, such as tumors, are combined. If the patient is diagnosed with a combination of tumors, further treatment, such as surgery, radiotherapy, chemotherapy, etc., is required. 2. Local medication, such as isoniazid, can be administered. In addition to the use of bronchoscopic treatment, patients also need to be treated with oral anti-tuberculosis drugs, commonly used drugs include isoniazid, rifampin, pyrazinamide, streptomycin, etc. Patients with pulmonary tuberculosis should pay attention to rest, avoid getting cold, eat more fresh vegetables and fruits, and take oral pidomod and transfer factor to improve the immunity of the body when they have immune deficiency. If the patient has malnutrition, it is recommended to eat more nutritious food such as chicken, beef and mutton.