The invention provides a method and device for controlling smart equipment, equipment and a storage medium. The method comprises the following steps: determining whether the duration of continuous useof the smart equipment reaches a preset duration of use, wherein the duration of continuous use of the smart equipment does not include the duration of the smart equipment running the specified application; if determining that the duration of continuous use of the smart equipment reaches the preset duration of use, controlling the screen lock of the smart equipment. The embodiment of the invention improves the operation flexibility of the electronic equipment, and locks the screen after satisfying the predetermined condition to control the time for the user, especially the child to use the smart equipment, which effectively manages the user's use of the smart equipment, and improves the user experience.