With the rising incidence of gynecological inflammatory diseases, the number of infertility patients caused by tubal inflammation is increasing year by year and has become a major cause of infertility. The clinical manifestations include tubal obstruction, stenosis, tortuosity, epithelium and hydrocele. The treatment varies according to the type of tubal lesion and the location of the lesion. If not chosen properly, it will not only fail to cure but also add pain and economic burden to the patients. Therefore, it is very important to accurately diagnose tubal lesions and correctly select the treatment method. Tubal obstruction is the most common cause of infertility, and the treatment for different parts of the obstruction varies. The following treatment options are available: 1. Tubal lavage: It can be used as a diagnostic and therapeutic method for tubal obstruction and is commonly used clinically because of its simplicity and ease of use. This method can be used as a screening method for tubal obstruction, but it cannot make an accurate judgment on the site of obstruction, and often gives a wrong diagnosis for tubal umbilical obstruction (i.e. hydrocele). Tubal lavage is only useful for patients with early obstruction (loose adhesions in the lumen). 2. Hysterosalpingography: It is one of the common diagnostic methods for infertility, which can clearly determine the site of tubal obstruction, shape and morphology of the uterine cavity, and can also play a role in unblocking patients with early obstruction. Clinical examples of infertile women who became pregnant and gave birth immediately after the imaging can often be seen. 3.Blind tube insertion: A special guide tube is placed through the uterine cavity to insert a catheter into the fallopian tube and inject drugs for the purpose of unblocking the proximal part of the fallopian tube. This method is a new method designed and innovated by our hospital for the treatment of tubal obstruction and is suitable for patients with proximal tubal obstruction. It is simple and easy to perform and has relatively good results. The accuracy of the operation is slightly poor because the opening of the fallopian tube cannot be seen directly. 4. Hysteroscopic tubal cannulation: With the development of hysteroscopy and the continuous improvement of technology, tubal cannulation has become a common method for unblocking the fallopian tubes and is suitable for patients with proximal tubal obstruction. This method is operated under direct vision, and the positioning is accurate with little damage to the endometrium. However, due to the poor smoothness, toughness and histocompatibility of the common catheter, it is not easy for the catheter to enter the interstitial part of the fallopian tube and the isthmus, so the effect of unblocking is not satisfactory, and in most cases, it only plays the role of tubal cannulation and fluid flow, which cannot achieve the effect of real unblocking of the fallopian tube. 5. Hysteroscopic COOK guidewire intervention for tubal evacuation: It is the most effective method for the treatment of tubal obstruction in recent years and is suitable for patients with proximal and middle tubal obstruction. In recent years, the treatment group of Professor Li Liuxia at the First Affiliated Hospital of Zhengzhou University has achieved good results with high pregnancy rate and is considered to be the best treatment method, which is worth promoting. The US COOK guidewire system consists of two delicate catheters and one platinum guidewire. The outer catheter is about 30cm long with an outer diameter of 3mm, the front end of which is about 3cm with the catheter forming an obtuse angle to fit the shape of the uterine horn to facilitate reaching and holding against the opening of the uterine tube. The inner catheter has an outer diameter of 2mm and can be inserted into the interstitial part of the fallopian tube and the isthmus for lavage. The platinum guidewire has a diameter of about 1mm and is inserted into the fallopian tube through the inner catheter to act as a lavage. The guidewire is smooth and soft after dipping in water and can be inserted to separate the obstructed tubal lumen without damaging the tubal wall, with a high success rate of unblocking. 6.Peritubal adhesion separation and tubal ostomy: can be done by laparoscopy or open surgery, suitable for patients with tubal tortuosity, uplift and hydrocele. 7. IVF: It is suitable for patients with tubal obstruction and lesions in various areas who fail to conceive after the above treatments. IVF technique has a success rate of 40% to 50% in one conception. If you are unfortunate enough to suffer from tubal infertility, please make sure to visit a regular medical institution to clarify the nature and location of the lesion and choose the correct treatment method to avoid misdiagnosis and wrong treatment, which may cause pain and economic loss.