Tuberculosis patients who are very thin should be actively treated, and can take medication, surgical treatment to treat the disease itself, and through general measures to regulate the body, strengthen the nutrition, and enhance the physical fitness. 1. Drug treatment: when patients with tuberculosis are very thin, they should be treated for tuberculosis first. Patients can use anti-tuberculosis drugs such as isoniazid tablets, rifampicin tablets, pyrazinamide tablets, etc. as prescribed by the doctor, and patients can also be injected with antibiotics such as amikacin sulfate injection and kanamycin sulfate injection. 2. Surgical treatment: Patients with tuberculosis can also undergo surgical treatment, mainly open thoracic surgery and thoracoscopic minimally invasive surgery and other surgical methods. 3. General measures: patients with TB wasting should pay attention to their diet and eat nutritious food, such as chicken, beef, lean meat and so on. Patients should ensure sufficient rest and should not take strenuous exercise. When patients with pulmonary tuberculosis appear to be very thin, they should consult a doctor in time and follow the doctor’s instructions. Patients should adjust their daily diet to ensure balanced nutritional intake.