Any trauma or surgery that damages the innervation and vascular supply of the penis, such as spinal cord injury from trauma or surgery, pelvic fracture combined with urethral trauma, abdominoperineal resection for rectal cancer, retroperitoneal lymph node dissection, aortic reconstruction, pelvic radiotherapy for prostate cancer, etc., can easily cause erectile dysfunction. Therefore, health preservation is important. Surgeons should continuously improve surgical techniques to prevent iatrogenic erectile dysfunction. Related theme articles: Is acupuncture beauty effective? Traditional Chinese medicine health preservation, wild wormwood root and pig spine bone stewed chicken soup for dietary therapy and health preservation.