A snap-through joint module is provided. The snap-through joint module includes a first member having a first internal space to which pneumatic pressure is applied, a second member having a second internal space to which pneumatic pressure is applied, a snap joint portion configured to connect the first member to the second member and capable of a snap-through movement by pneumatic pressure applied to the first member and the second member, and a controller configured to control pneumatic pressure applied to the first internal space and the second internal space.