Thickening of the bladder wall is usually considered to be caused with cystitis, urinary tract obstruction, bladder tumor and other diseases. 1. Cystitis: it may be due to bladder inflammatory mediators stimulate the bladder wall, leading to bladder wall hyperplasia, causing the phenomenon of thickening of the bladder wall, cystitis will usually appear urinary urgency, urinary pain and other symptoms. 2. Urinary tract obstruction: usually due to urinary tract obstruction, resulting in poor urination, prolonged compensatory exertion of urination, causing the phenomenon of thickening of the bladder wall, urinary tract obstruction may also appear urinary obstruction, pain and other symptoms. 3. Bladder tumor: a few bladder tumors may also manifest as thickening of bladder wall. If the thickening of bladder wall is a manifestation of imaging, further examination should be carried out in the hospital, and treatment should be carried out after clarifying the cause of the disease, so as to avoid delaying the condition.