2, stew big bone soup tips: the first big bone drowning water should be poured out, and then pour in new water to start stewing, because the first stewed water will boil a lot of impurities, dirt and blood. The bone soup is filled with water at a time, without water in the middle, and the stewed bone soup is not delicious. When stewing big bones, you don't need to put too much seasoning to keep the original flavor. If you put too much seasoning, it will mask the taste of bone soup itself.

3. Precautions: Before using the pressure cooker, check whether the cover pad is in place, whether the slag net is intact, whether the vent hole is unblocked, whether the explosion door is intact, and whether the spring-type safety cut-off is flexible and easy to use. Otherwise it needs to be replaced before it can be used.