Control method and device of water heater, storage medium and water heater

The invention provides a control method and device of a water heater, a storage medium and the water heater, and the method comprises the steps that when a wireless connection signal of bound mobile equipment is received and wireless connection with the bound mobile equipment is successful, whether the water heater has a habitual water use record currently or not is judged; if it is judged that no habitual water use record exists currently, whether reserved hot water setting exists currently or not is judged; if no habitual water use record exists currently and no reserved hot water setting exists, the operation of the water heater is controlled according to whether the water use record exists or not and/or the temperature difference value between the current set water temperature and the water temperature of the water tank; if it is judged that the habitual water use record exists currently, whether reserved hot water setting exists currently or not is judged; if the current habitual water use record exists