To avoid leakage of belt ostomy bag, you should pay attention to replacing the right ostomy bag and paying attention to the time of use. 1. When choosing an ostomy bag, you should consult healthcare professionals and professionals to ensure that the ostomy bag you buy is the right one for you. 2. Washable belt-type ostomy bags can be used for about 60 days at most. If the ostomy bag is used for longer than the normal use time, leakage problems may occur. The ostomy bag can be replaced within the specified time of use to avoid damage to the ostomy bag due to overuse. 3. Post-operative recovery and other problems bring about changes in body shape, and the ostomy bag is prone to leakage problems. Pay attention to the change of your body shape and change the suitable ostomy bag in time to avoid leakage. It is recommended that patients should master the appropriate care methods for themselves. If the stoma becomes pus-filled due to improper care or if the stoma is sunken, patients should consult a doctor in time.