Abstract: Two hundred and nine patientps with advanced lung cancer (Stages Ⅲ and Ⅳ) were analyzed. Of these male patients were 115 cases and female-54. The raiio of malc to femal was 2.9: 1. The incidence of female patients decreased with aging. The pathological types include, adenocarcinoma 96, squamaous carcinoma 87, small cell carcinoma 14 and 12 patients with the other type of lung cancer, We found out that the incidence of squamaous cancer increased relatively with aging, but the incidence of small cell carcinoma decreased with aging. The Survival rates of 1, 2, 3 years after operation were 46.40%, 24.1% and 15.3% respectively. The survival rate was higher in old patient group (60) and lower in junior patient group (40).