The symptoms of patients with recurrent PTB showed more severe than those of patients with new PTB with significantly statistics (p<0.05) such as weight losing was 2 times (OR=2), anorexia was 3.5 times (OR=3.5), hemoptysis was 2.8 times (OR=2.8), dyspnea was 2.8 times (OR=2.8), chest pain was 1.6 times (OR=1.6), and rale in lung was 2.2 times (OR=2.2).