Open button and electronic device

An open button of an electronic device, wherein the electronic device comprises a first part and a second part that are able to be opened and closed, one of the first part and the second part is a cover of the electronic device, and the other is a body of the electronic device;

• the open button is mounted to the second part, and the open button comprises a cap, an elastic member, and a touch-sensitive spring;
• the cap is configured to form a detachable connection with the first part, and the cap has a bump;
• the touch-sensitive spring and the bump are disposed at a spacing, and the touch-sensitive spring is able to generate elastic deformation when being squeezed;
• the cap is able to move towards the touch-sensitive spring when being pressed, so that the detachable connection is released, and the bump of the cap squeezes the touch-sensitive spring;
• and
• the elastic member presses against the cap, and is configured to provide a rebound force for the cap when the cap moves towards the touch-sensitive spring.