To assess the curativel effect of Biofeedback Therapy Combined with acupuncture in treating functional constipation. Methods:A total of 60 cases of functional constipation were randomly divided into two groups: treatment group (30 cases) and control group (30cases). The treatment group was exposed to biofeedback therapy Combined with acupuncture for a four-week treatment course, twice a week. Patients in the control group received Macrogol 4000 powder for oral solution 10g bid for four weeks. Constipation symptom, the anorectal pressure and electromyography were compared before and after treatment in two groups. Results: The total effective rate of the two groups was 66.7% and 80% respectively. The treatment group is better than the control group (P<0.05). The electromyography of the treatment group was significantly improved. Conclusion: Biofeedback training Combined with acupuncture plays a positive role in treating functional constipation. It is convenient and effective for chronic functional constipation.