To discuss the treatment of hydrothorax in lung cancer is better to to have deficiency in mind and,the principle is to moderately purge the lung and conserving healthy qi;chest pain in lung cancer is because of pathogenic factor collecting,qi-stagnancy and blood stasis,and pain occurs because of atresia.

Objective To observe the curative effects of traditional Chinese medicine treatment method of warming Yang and invigorating Qi, dispersing mass and expelling fluid retention combined with the chemotherapy through the perfusion of the chest on the pleural effusion secondary to lung cancer.

Objective :To observe the curative effects of Guiqitingbai decoction combined with the chemotherapy through the perfusion of the chest on the pleural effusion secondary to lung cancer with the syndrome of Qi deficiency of the lung(SQDL) and the syndrome of both Qi and Yin deficiency of the lung(SQYDL).