A multidirectional input device with a built-in push-down switch, capable of reducing the number of parts, eliminating soldering for connection with a mounting substrate, and reducing an assembly cost of devices using the multidirectional input device, wherein a key top (70) provided under an operating member (30) operating a set of upper and lower rotating members (40a) and (40b) is installed through the bottom plate part (11) of a case (10) and pushed down by the operating member (30), and a switch main body (110) operated by the key top (70) and provided on a substrate (100), on which the case (10) is installed, comprises a fixed contact formed on the substrate (100) and a dome-shaped moving contact covering the fixed contact and fixed onto the substrate.