The disadvantages of belt ostomy bag usually include fixed size, unstable wearing, foreign body sensation or tightening sensation, etc., as well as higher price compared with other adhesive products. 1. Belt ostomy bag is a new product different from traditional adhesive ostomy bag, which is very convenient to wear the ostomy bag like a belt, but since the size of the ostomy chassis of the non-adhesive ostomy bag is fixed, the size of the purchased one may not be as close to the size of the stoma as that of the traditional ostomy bag which is trimmed by hand. 2. As the belt-type ostomy bag belongs to non-adhesive ostomy bag, there will be the problem of unstable wearing, especially after doing strenuous exercise or work, the ostomy bag will be easy to move, resulting in leakage. 3. The chassis of non-adhesive ostomy bag is slightly harder than that of adhesive ostomy bag, so it is easy to have a sense of foreign body and tightness when wearing it at the beginning, which requires users to adapt to it for a period of time. 4. Comparing the price of non-adhesive ostomy bag with that of adhesive ostomy bag, the overall calculation shows that non-adhesive ostomy bag is more expensive.