Treatment of perineal pain 1. oral non-steroidal anti-inflammatory analgesics and narcotic analgesics; 2. anal plugging of anti-inflammatory pain suppositories; 3. sacral nerve block via sacral fissure or posterior sacral foramen; 4. odd ganglion block or pulsed radiofrequency modulation or chemical destruction; 5. sacral canal pulsed radiofrequency modulation; 6. electroacupuncture treatment at the eight mu points; 7. chemical destruction of the S4 nerve via the fourth posterior sacral foramen (alcohol, phenol glycerin, etc.); 8. Epidural lumpectomy for sacral nerve release.