Installation structure of micro protection switch

The utility model discloses an installation structure of a micro protection switch. The micro protection switch is arranged inside an electric appliance box of an electrical product. The side wall of the electric appliance box is provided with a through hole which is corresponding to an upwarped plate of the micro protection switch. A press component of the electrical product is provided with a press button which can stretch into the through hole and can press the upwarped plate. With the above arrangement, the installation structure of the micro protection switch is capable of performing fireproof insulation protection on the micro protection switch without adding extra protection housing, thereby enabling the production cost of the electrical product to be low.