The invention provides a building block type combined strip lamp button switch comprising an operating device and a switching unit. The operating device comprises a pressing handle assembly, a conductive part assembly, a pressing handle sleeve, and a sleeve ring. The sleeve ring is fixed on a base. The pressing handle sleeve is sheathed in the base. The pressing handle sleeve and the base are sealed by a waterproof ring. A pressing handle cover is fixed to the top of the pressing handle sleeve in an externally threaded manner. The conductive part assembly is fixed inside the pressing handle sleeve. The upper end of the pressing handle sleeve is flush with the upper end of the sleeve ring. The pressing handle assembly is fixed inside the lower end of the pressing handle sleeve. The pressing handle assembly is connected and fixed to the switching unit in a plastic elastic bucking manner. A pressure ring is fixed and sheathed between the pressing handle sleeve and the sleeve ring. The building block type combined strip lamp button switch of the invention has such advantages as advanced structure, convenience of use, multiple functions, large load, high reliability, beautiful appearance, and small protrusion height after installation.