To supply a new counter structure and its construction method excellent for construction and good for keeping product quality, maintainability, etc.

The invention has a counter structure that is an integration of a flat counter plate (6) and a front bar member (63), wherein the front end part of the flat counter plate (6) is fit in the concave part of the front bar member, a groove (64) is formed in the front face of the front bar member (63) in the longitudinal direction, and a locking part (66) where a hanger can be hung on or off is provided.