The difficulty in urination in the elderly caused by prostatic hyperplasia is due to the excessive hypertrophy of the prostate tissue, which compresses the urethra and makes it difficult for the patient to urinate. At this time, the urethra is not narrow, because the pressure on the side of the urethra increases and urination is not smooth. The current surgical method, either open surgery or transurethral electrodesis, is to remove the prostate tissue to remove the pressure of the prostate tissue on the urethra to achieve the purpose of urinary flow. However, the prostate is a gland that surrounds the urethra, and either open surgery or electrosurgery removes the prostate tissue while also removing the urethra or destroying the integrity of the urethra. The reason is simple: the prostate is a gland that surrounds the urethra and is located at the base of the bladder, so if the prostate is removed via the urethra, the integrity of the urethra will be destroyed. In the later stages of the patient’s recovery, the urethra needs to regain continuity and reach a sufficient degree of patency so that the patient can urinate smoothly in the later stages. In this process, the proximal bladder mucosa and the distal urethral mucosa have to be restored to urethral continuity smoothly with the presence of a urethral stent. During this time, the resected wound should have a good environment for mucosal growth. If the defective urethral portion is too long (for example, if the resected prostate is too large), it will be difficult for the proximal bladder mucosa and the distal urethral mucosa to crawl and grow along the resected prostate trauma to form a complete urethra. If the excised prostate trauma is uneven or excessively electrocautery, the growth environment is not good and necrosis is severe, which also affects the growth of mucosa, then even with the presence of urethral stent, it will cause late urethral stricture due to the formation of fibrous scar of the defective urethra. We use partial urethrotomy with partial urethra preservation, both to remove the prostate tissue while preserving part of the urethra and to maintain the integrity of part of the urethra for later urethral formation. Preserving part of the urethra can only be preserved longitudinally, with the lateral urethra being continuous. The best location is the anterior wall of the urethra, where the least amount of prostate tissue is outside the urethra and can be removed without excision. Because on the one hand, the hyperplasia of the prostate is mainly hyperplasia of the second lateral lobe or hyperplasia of the middle lobe, the purpose of surgery is mainly to effectively remove the prostate tissue that causes compression of the urethra, that is, to remove the prostate tissue of the second and middle lobes. The anterior part of the urethra has less hyperplastic prostate tissue. In this case, the prostate tissue and anterior urethra of the anterior wall of the urethra are not removed and the anterior wall of the urethra is preserved. On the other hand, the main purpose of surgery for patients with prostatic hyperplasia is to effectively remove the hyperplastic prostate tissue and reduce the pressure on the urethra, as long as the hyperplastic prostate tissue is effectively removed, the purpose of unobstructed urination can be achieved. What is more important is that the urethra can be formed intact at a later stage. After we preserve the anterior wall of the urethra, the urethra will not be closed and inaccessible at any rate in the later stages of urethral formation. It effectively avoids the formation of posterior urethral stricture due to electrodesiccation of the prostate. We have used partial urethral preservation prostate electrosurgery from April 2001 to March 2010 in 498 cases without a single patient with posterior urethral stricture, compared to 34 patients with posterior urethral stricture in 1870 routine prostate electrosurgery cases during the same period. Transurethral electrical resection of the prostate (TURP) is the gold standard for the treatment of patients with prostatic hyperplasia. However, in addition to the recent complications, the long-term complications after TURP amount to 4-8% urethral strictures and 14-18% reoperation rate 5-8 years after surgery.