Abstract: A tool box has a box body and a handle. The box body has a mounting portion mounted at the box body. The mounting portion has an upper positioning recess and a lower positioning recess. The handle has a holding portion, a connecting portion, and a marking portion. The holding portion is an elongated board and is engaged with the lower positioning recess, a cross section of the holding portion being U-shaped with an opening facing upward. The connecting portion is formed at an inner end of the holding portion and is an upright board. The marking portion is formed at a top portion of the connecting portion and is an elongated board and is engaged with the upper positioning recess, a cross section of the marking portion being U-shaped with an opening facing downward.