It is not true that bladder cancer is most afraid of tea. Bladder cancer patients can drink tea, and drinking tea does not cause bladder cancer to spread or become serious. Bladder cancer may be related to hereditary factors, but it may also be related to prolonged exposure to industrial benzene, such as prolonged exposure to paint or benzene products. Repeated chronic cystitis for a long period of time causing erosion and rupture of bladder mucosa, or suffering from glandular cystitis may increase the incidence probability of bladder cancer. In case of early bladder cancer, timely surgical treatment can be carried out to remove the lesions, which can achieve better treatment effect and higher survival rate of more than five years. In terms of diet, it is recommended to have a low-fat and low-cholesterol diet and quit smoking and drinking to reduce the chance of developing bladder cancer. If the physical examination reveals the occupying place in the bladder or hematuria without obvious reasons, it is recommended that patients go to the hospital for further examination in time, and at the same time, pathological tissue biopsy is also needed to understand the disease typing and take regular treatment in time.