PURPOSE: A portable button sewing machine is provided to improve portability by small size and to minimize malfunction or error. CONSTITUTION: A portable button sewing machine comprises: a main body part(110), a rotation unit, and a pressurizing unit(150). The main body part has a button fixing plate(111) at the upper side of one end portion. The rotation unit is rotationally coupled to the end of the main body part. The pressurizing unit has a binding needle at the lower side of one end portion. The other end portion of the pressurizing unit is hinge-coupled at the rotation unit. The main body part supports the portable button sewing machine.
