An adjustable laser module has a main body, a laser generator provided in the hollow interior of the main body at a first end thereof for emitting a laser beam, a cylindrical lens provided in the hollow interior at a second end thereof, a first adjusting device coupled to the first end and the laser generator for adjusting the angle of the laser generator with respect to the main body, and a second adjusting device coupled to the second end and the cylindrical lens for adjusting the angle of the cylindrical lens with respect to the main body.