Abstract： This paper analyzes the mechanism of acupuncture， moxibustion and Chinese herbs in the treatment of rectocele based on the theory of “anus being envoy of five zang-organs”. It is believed that anus is closely related to the five zang- organs in physiology， and in pathogenesis， the sinking of qi deficiency is the basic pathogenesis of rectocele， with its common complications of damp- heat pouring downward. The cause of rectocele is the dysfunction of the lung， spleen and kidney. In terms of its treatment，the principles should be supplementing the center and boosting qi，raising yang and lifting the sunken， and meanwhile， syndrome differentiation and treatment should be combined with to modify the prescriptions or point selection，namely，reinforcing healthy qi or eliminating pathogenic factor，heat-clearing or warming. Chinese medicine practitioners should adopt different treatment methods to treat the disease.