The invention relates to a toggle switch which generally comprises a base, a central terminal, a fixed terminal and a movable contact blade horizontally arranged in the base, wherein the central terminal and the fixed terminal are arranged at the bottom of the base. The switch carries out rocking movement by using the upper end part of the central terminal as a support so as to realize the separation and reunion of the movable contact blade and the fixed terminal, thereby realizing the on-off of the switch. When the traditional toggle switch is affected by abnormal external forces, the movable contact blade is easy to drop from the upper end of the central terminal so as to cause switch failure, and in the invention, an extension part arranged on the movable contact blade is formed at theupper end of the central terminal and is used for buckling the movable contact blade, so that the movable contact blade of the switch is not easy to drop when the switch suffers external forces, which improves the quality and stability of the switch. The switch has great practical value.