1. When the water cup system is in the deep sleep mode, control the water cup system to switch from the deep sleep mode to the sleep mode every first preset time, wherein the power consumption of the water cup system in the deep sleep mode is less than that in the sleep mode.

2. When the water cup system is in sleep mode, it is judged whether the water cup is touched or not every preset time. If the water cup is touched, the water cup system is controlled to switch from the sleep mode to the active mode. Therefore, the power consumption of the system is further reduced by deep sleep mode. By switching between deep sleep mode and sleep mode, the system is awakened by touch in sleep mode, so as to achieve the purpose of touch awakening.