1. Strictly in accordance with the instructions for use, can not damage the kettle lid, switch and other parts; 2. Do not repeatedly dry burning, easy to damage the thermostat and heating wire; 3. Fill the water, pay attention not to be lower than the minimum water level line, not higher than the maximum water level line, easy to cause overflow, there is a risk of scalding or damage to the product; 4. According to the kettle inside the limescale and dirt in a timely manner to clean, maintain cleanliness and hygiene. It is recommended to use a woolen cloth or cleaning cloth, prohibit the use of steel wire ball; 5. Do not first turn on the power to heat and then fill the water, otherwise it is easy to cause burnt heater or therefore cause dangerous accidents; 6. cleaning kettle prohibit rinsing and soaking products to avoid product water devices damage cup.