1. The cover of the pressure cooker may turn in the opposite direction, so people can only cover it in the right direction.

2. If the cover of the pressure cooker is uneven, please put the cover flat again and then close it.

3. The lid of the pressure cooker can't be covered, maybe the safety column didn't fall down. People can gently press the safety post with chopsticks, so that the lid can be closed.

4. There may be foreign objects in the lower tank of the pressure cooker lid, such as peanuts and corn, which will prevent the lid from covering. People need to use props to clean up foreign objects in the tank.

If the lid of the pressure cooker is deformed, it can't be covered. People need to buy the same type of pot cover in the specialty store, or directly buy a new pressure cooker.

In the same way, if the pressure cooker is deformed, it can't be covered. In this case, people can only change to a new pressure cooker.

Matters needing attention in using pressure cooker

1. Before using the pressure cooker every time, check whether the exhaust hole of the pressure limiting valve is unobstructed. If they are blocked by foreign objects, they can clean them with toothpicks.

2. The food in the pressure cooker should not exceed 4/5 of the height of the cooker, and the food which is easy to expand such as kelp, mung bean and corn should not exceed 1/2 of the cooker.

3. When people cover the pressure cooker, they should mark the closure of the cover and the pot body and fasten it completely. Don't use too much force when fastening, so as not to damage the pot body.

4. When the pressure limiting valve of the pressure cooker is working, people should turn down the firepower to make the pressure valve micro-move.

If the pressure cooker uses gas, people should pay attention to the fire, so as to avoid accidents caused by too long cooking time.