A vertical type transistor includes: a substrate; a first source/drain electrode layer provided on the substrate; a second source/drain electrode layer provided above the first source/drain electrode layer; a first gate electrode layer provided between the first and second source/drain electrode layers; a first gate insulating film passing through the first gate electrode layer; a hole passing through the second source/drain electrode layer, the first gate insulating film, and the first source/drain electrode layer; and a first channel layer provided on a lateral side of the hole, wherein the first channel layer may include a 2D semiconductor.