Endovascular tumor-like dilatation is usually managed. The causes of endocardial fistula tumor-like dilatation are related to repeated local punctures, the site of the endocardial fistula, high blood pressure, and lesions of the blood vessel itself. Treatment mainly includes general management, surgical treatment, etc. The specific treatment depends on the patient’s condition. The general management of endovascular fistula-like dilatation includes wearing wrist guards to protect it from further dilatation and accidental rupture. For the huge arteriovenous fistula angiomatous expansion, and the risk of rupture and accidental rupture, timely surgical treatment is needed. When the patient endovascular fistula aneurysmal dilatation, it is recommended to go to the regular hospital in time, and under the guidance of the doctor for treatment, usually dialysis can be used rope ladder puncture method, should avoid in the same place puncture, to reduce the chance of arterial venous aneurysmal dilatation formation.