1. When using the stove, you should open the kitchen window so that the indoor and outdoor air can be smoothly discharged from the window. Otherwise, after using the stove for a long time, the oxygen in the air will burn out, the harmful gas content will exceed the standard, and the indoor personnel will easily appear 2. During the use of the stove, the user cannot leave to prevent the fire from being extinguished due to the overflow of soup juice. If the fire is extinguished inadvertently during the use, the window and exhaust fan need to be opened immediately, and then the main valve should be closed to prevent the fire from being extinguished 3. In order to ensure the safety of use, when using the cooker, it is necessary to regularly check the cooker to ensure that there is no aging or air leakage of the rubber hose. When it is necessary to pay attention, even if the rubber hose is not aging or damaged, It is strictly forbidden to install gas meters and stoves in bedrooms or sleep in kitchens equipped with gas facilities. In addition, do not stack sundries, inflammables and explosives near the gas stove to prevent fire and explosion accidents. 4. The gas cooker shall be maintained regularly after use, and the fire cover shall be cleaned frequently to prevent dirt from blocking the fire hole and causing the cooker to backfire. 5. All gas equipment of residential customers and public buildings shall not be disassembled or relocated without permission. If the customer disassembles without permission, the tightness of the equipment and gas supply system will be damaged, and gas leakage will lead to serious accidents.