The invention provides a safety socket and a control method thereof, a household electrical appliance and a control method thereof and a computer readable storage medium. The control method of the safety socket comprises the steps of judging whether a power utilization fault occurs or not, and if so, sending work stopping information to a target electrical appliance taking power from the safety socket; judging whether the power utilization fault is eliminated or not after it is confirmed that the target electrical appliance stops working, if so, sending the fault type of the power utilizationfault to the target electrical appliance, and if not, disconnecting the electrical connection with the target electrical appliance. The control method of the household electrical appliance comprises the steps of receiving work stopping information sent by the safety socket and entering a standby mode; receiving fault type information sent by the safety socket, and prompting a fault type; and stopping the operation of executing a preset function before restarting. The invention further provides a safety socket applying the method, a household electrical appliance and a computer readable storagemedium for implementing the method. According to the invention, the user can be facilitated to know the fault type of the household electrical appliance.