The present invention is a fixture device for roller construction module, comprising a base plate and a frame. The frame comprises a containing hollow to contain the base plate; and protruding parts deposited on two opposite sides of the containing hollow. The base plate comprises fillisters deposited on two opposite sides of the base plate, which are corresponding to the two protruding parts of the frame; and a roller suspended by a support. Accordingly, the module can be easily positioned and assembled.