Tuberculous pleurisy may recur. Doing the following can control the recurrence of tuberculous pleurisy: 1. Control the source of infection and reduce the chance of infection. Tuberculosis smear-positive patients are the main infectious source of tuberculosis. Early detection and reasonable treatment are the fundamental measures to prevent tuberculosis. Infants and young children with active tuberculosis, their family members should do a detailed examination, regular physical examination of elementary school and early childhood care institutions personnel, timely detection and isolation of infectious sources, can effectively reduce the chance of infection with tuberculosis; 2, BCG vaccination, practice has proved that vaccination BCG vaccination is an effective measure to prevent pediatric tuberculosis. China provides for BCG vaccination in the newborn period, and the child’s first injection is the BCG vaccination; 3. Tuberculous pleurisy can recur when the body immunity decreases. Active exercise to improve physical fitness can help prevent the recurrence of the disease.