Xiaojin Pills,from Wang Hongxu's Life-saving Manual of Diagnosis and Treatment of External Diseases,is an effective prescription for the treatment of dorsal furuncle caused by cold,dampness and phlegm stasis and coagulation of qi and blood.Chronic pelvic inflammatory diseases are closely related with blood stasis blocking uterus and choroid impassability,treated with removing blood stasis and resolving mass as the core.In this paper,the theory and clinical basis of Xiaojin Pills in treating chronic pelvic inflammatory disease were discussed from the aspects of traditional Chinese medicine knowledge,analysis of Xiaojin Pills prescriptions,mechanism and clinical research of Xiaojin Pills in treating chronic pelvic inflammatory disease.