Prolonged hanging of urinary bags will have some complications, such as causing infection of the urinary system, bladder atrophy, etc., and some patients will affect their mental health. But if the condition needs to stay catheterized, bring a lot of benefits, need to be based on their own situation comprehensive judgment. 1. Infection of the urinary system: long-term hanging urine bags can be due to bacterial infection retrograde into the urinary system, resulting in the occurrence of urinary tract infection, pain, cloudy urine, fever and other symptoms. 2. Bladder atrophy: long-term hanging urine bag can cause bladder atrophy due to changes in the form of urination, bladder capacity is reduced in the removal of urinary catheter after the need to train bladder function. 3. Impact on mental health: long-term hanging urine bag may affect the daily work, life, may affect the patient’s mental health, the emergence of such a situation of patients need to carry out psychological counseling and so on. Long-term hanging urine bag will appear some complications, it is recommended that patients with obvious discomfort to go to a regular hospital, with the doctor to complete the relevant examination, and actively deal with.