Tuberculosis t-cells are positive and there is fluid in the lungs on CT consider tuberculosis combined with pleural effusion. Treatment should be active anti-tuberculosis treatment, if more fluid stays in the thoracic cavity, thoracentesis drainage should be used to drain the fluid that stays in the thoracic cavity. 1. Anti-tuberculosis treatment: At present, the classic first-line anti-tuberculosis drugs include rifampicin, isoniazid, pyrazinamide, ethambutol and streptomycin. Anti-tuberculosis treatment needs to follow the principles of early, regular, whole course, appropriate dosage and combination, and different drug measurements and dosage cycles need to be given by specialized doctors according to the patient’s weight and the presence of other tuberculosis. Anti-tuberculosis drugs may have adverse reactions and should be taken under the guidance of a doctor. 2. Treatment of pleural fluid (fluid that stays in the chest cavity):If there is a lot of pleural fluid, it can be drained by thoracocentesis. At the same time, the punctured pleural fluid should be sent for examination to clarify the nature of the pleural fluid, and then treated symptomatically, and injections of medicines can be given to assist in the treatment if necessary. Tuberculosis t-cell is positive CT lung with effusion, should be to the local hospital, follow the doctor’s instructions standardized treatment.