Objective Discusses the minimal y invasive chest closed drainage treatment of spontaneous pneumothorax when patients of clinical curative effect and the relationship between the lungs compress degree. Method 150 cases of spontaneous pneumothorax pa-tients, according to the lungs compress degree into line method:46 cases of patients with 40%,<80%and>40%of patients in 52 cases, 80% of patients in 52 cases, all use central venous catheter to the chest closed drainage, cure, evaluation of complications. Conclusion Minimally invasive chest closed drainage- central venous catheter treatment in the lungs compress 40%of spontaneous pneumothorax of patients with high cure rate, and fewer complications occurred.