A switching device has a substrate having a fixed contact portion, a slider, a first moving member having an inclined portion and a first engagement portion and being reciprocable on a first imaginary axis line, a first biasing member, a second moving member having a contact portion and a second engagement portion and being reciprocable on a second imaginary axis line, and a second biasing member biasing the second moving member, in which the first and second moving members are supported to be reciprocable in a state of bringing the inclined portion and the contact portion into sliding contact with each other, the slider comes into contact with and is separated from the fixed contact portion according to the reciprocation of the first moving member, and the first and second moving members are connected by the first engagement portion and the second engagement portion so as to be reciprocable.