Shutdown control method of household appliance and range hood

The invention relates to the technical field of household appliances, and provides a power-off control method of a household appliance and a range hood, and the power-off control method of the household appliance comprises the steps: obtaining a distance signal of a to-be-detected object staying in a preset time in a distance measurement range; matching corresponding shutdown delay time according to the distance signal; and when the shutdown delay time arrives, controlling the host of the household electrical appliance to be turned off. According to the invention, the corresponding shutdown delay time is matched according to the distance signal, so that the main machine of the range hood can be automatically controlled to be turned off according to the actual requirement of a user, and the hand can be prevented from directly touching the household electrical appliance, so that a delay shutdown key does not need to be touched, and the problem of poor user experience is avoided. In addition, when a user can set