Using 0.30mm × 75mm millineedle (produced by Suzhou Medical Equipment Factory, Huatuo brand) deeply punctures the Zhongliao acupoint to reach the sacral nerve. The acupuncture needle is connected using the MuhiStim Sensor nerve stimulator produced by Pajunk in Germany. Connect the positive pole to the left Zhongliao hole and the negative pole to the right Zhongliao hole. The frequency, current, and pulse width of sacral nerve electrical stimulation are 2 Hz, 5mA, and 0.1 ms, respectively.Electroacupuncture stimulates the sacral nerve for 30 minutes, once a day, five times a week. After the treatment, rest for two days before starting the next treatment. Five sessions are considered as one course of treatment, with a total of four courses for four consecutive weeks.

Mosapride citrate tablets (produced by Lunan Beite Pharmaceutical Co., Ltd., with the national drug approval number H19990317), oral administration, 5mg once, three times a day, taken before meals. 5 days is one course of treatment, with 2 days of rest during the treatment period. The total treatment period is 4 weeks, with a total of 4 courses.

Using 0.30mm × 75mm millineedle (produced by Suzhou Medical Equipment Factory, Huatuo brand) deeply punctures the Zhongliao acupoint to reach the sacral nerve. The acupuncture needle is connected using the MuhiStim Sensor nerve stimulator produced by Pajunk in Germany. Connect the positive pole to the left Zhongliao hole and the negative pole to the right Zhongliao hole. The frequency, current, and pulse width of sacral nerve electrical stimulation are 2 Hz, 5mA, and 0.1 ms, respectively.Electroacupuncture stimulates the sacral nerve for 30 minutes, once a day, five times a week. After the treatment, rest for two days before starting the next treatment. Five sessions are considered as one course of treatment, with a total of four courses for four consecutive weeks.

The Clinical Scoring Scale for Constipation Patients (CCS) is mainly a scoring standard for quantifying the severity of constipation. Its content mainly includes 8 items: frequency of defecation, difficulty in defecation, feeling of incomplete defecation, abdominal pain, defecation time, type of help needed, frequency of difficulty in resolving constipation every 24 hours, and duration of constipation. The score range is 0-30 points, and the higher the score, the more severe the constipation is.

Type 1 is a separated hard mass, type 2 is a clump shape, type 3 is a dry and cracked sausage shape, type 4 is a soft sausage shape, type 5 is a soft mass, type 6 is a mud shape, and type 7 is a watery stool. Each patient is assigned a score of 1-7. The patient confirms their stool classification based on the Bristol fecal trait scale and records it.

Complete spontaneous bowel movement (CSBM) refers to the number of times a patient can spontaneously defecate and feel completely discharged every week without taking remedial laxatives or manual assistance;Observation indicators are mainly based on the defecation record card provided by the patient.