20 to 30 minutes. Because some special materials are added in the process of raising cattle, the tripe, that is, the tripe belly will become very hard, and it can be cooked in a pressure cooker for 20 to 30 minutes. There are a lot of bacteria in tripe, or a large number of tripes are cooked, which will take a long time to cook. Pressure cooker, also called pressure cooker, pressure cooker, is a kind of kitchen cooker.