Essence cooking key. Rice is cooked with essence key. The essence cooking and quick cooking functions on the rice cooker are used to cook rice. The cooking function can steam eggs and steamed buns. Electric cookers are not used for steaming rice. Steamed rice has special buttons, such as refined cooking, quick cooking or refined cooking, quick cooking and so on. The former can carefully process rice to make it taste better, while the latter is slightly rough, but takes less time. Precautions for the use of rice cookers: users should pay attention to the good contact between the bottom of the cooker and the heating plate when using the rice cooker, and the inner cooker can be rotated left and right several times. When in use, the cooked food should be put into the pot, covered and plugged in. Unplug the power plug before taking out the food to ensure safety. It is not suitable to cook acid and alkali foods, and do not store them in corrosive gas or humid places. When the meal is cooked, the button switch will pop up automatically. It is not advisable to boil the pot immediately at this time. It usually takes about 10 minutes to cook the rice thoroughly.