The indications for bladder tumors are mainly the condition of the tumor, the size and shape of the recurrent tumor, as well as the differentiation and stage. The main thing is not to invade the muscular layer or the submucosa, which has extensive lymphatic vessels and lymphatic tissue inside the muscle layer, and the tumor cells spread to other places through the lymphatic tissue. Overall, if in stage T1, the mucosa and submucosa. A simple electrodesiccation and postoperative chemotherapy with perfusion can prevent tumor recurrence or metastasis. If invasion to the muscular layer is necessary, total cystectomy is recommended. If total cystectomy is not performed and only local treatment is given, systemic chemotherapy must be added to effectively reduce the probability of recurrence or metastasis.