To discuss the clinical effect of biofeedback training on the pelvic floor muscle spasm syndrome, and to evaluate the subjective quality of life and objective anorectal pressure detection in patients with constipation.

The outpatients diagnosed as pelvic floor muscle spasm syndrome of the First Affiliated Hospital of Xinjiang Medical University were enrolled.The patients were divided into biofeedback training group and sacral nerve stimulation training group. 40 cases patients were devided in each group and followed up for at least 3 months. We evaluated the subjective indicators according to survival quality assessment table (PAC-QOL, Chinese version) including physiology, psychology, concerns and satisfaction and objective evaluation of the anorectal pressure.

In the subjective aspect, compared with sacral nerve stimulation therapy, biofeedback treatment can obviously improve constipation patients? physiology, social psychology, concerns and satisfaction, and improve the patients quality of life; In the objective aspect, biofeedback treatment can increase rectal sensory threshold, anal canal resting pressure reduction and anal canal maximum systolic blood pressure, and improve the symptoms of bowel problems.

Biofeedback treatment can obviously improve the symptoms of pelvic floor muscle spasm syndrome in patients with constipation, improve the quality of life in patients with constipation.