1. Avoid overfilling, the pot should be left at least 1/5 of the space.
2. Avoid sloppiness, must carefully check whether the exhaust hole is smooth, whether the hole under the safety plug seat is blocked by residual rice particles or food debris, and whether the two handles are completely overlapped. Otherwise, it will make the pot of food sprayed out to hurt people.
3. Avoid putting pressure on the pressure limiting valve, because it will block the normal release of gas in the pot, resulting in an explosion.
4. Avoid leaving the fire immediately after the removal of the pressure valve, open the lid should be in the natural cooling before opening the lid, or cold water directly on the lid, to be the pot when the gas pressure is lowered, will be removed from the pressure valve, drain the gas and then open the lid.
5. Avoid using other metals with different melting points to replace the safety valve fuse.