The purpose of this research is the study of the effect of sound therapy on severity of pain in women. This measurement is done in 48 hours after surgery using VAS. The sound played for intervention group has no voice, sound tool, and was taken from nature. The population of the study: All pregnant women referred to Jahrom Hospital of Motahari for caesarian section with spinal anesthesia who do not have exclusion criteria. The sample size is estimated 57. Before surgery, Patients will categorize into three groups by throwing dice into 1) control, 2) headphone (without playing any sounds) and 3) the intervention with playing sounds. In the first group the patient will receive the Indomethacin suppository and their scores would be recorded without any procedure. In the second group, upon entering the ward, besides using suppository, the headphone is worn without playing any sound. In the third group, using headphone and playing sounds pain score will record. The night before surgery the patient will be met and demographic information will be completed. After the surgery and reentering to the ward, the necessary intervention will be performed every 6 hours for 20 minutes, and then pain severity is measured. All patients should sign informed consent before participation in the study. Patients with chronic pains and cancer, hearing and verbal impairment, having mental and psychological problems will be excluded from the study. It is expected that the intervention leads to reduction of pain severity and increases satisfaction from this non-pharmacologic method of pain management.