PURPOSE: A magnet belt is provided to prevent fix the belt by using magnetic power generated from magnets fixed to the belt. CONSTITUTION: A magnet belt comprises an outer cover(10) installed outside the belt, a permanent magnet(20) attached to the inside of the outer cover, and a liner(30) which is attached to the opposite side of the permanent magnet. To the inside of the outer cover, the permanent magnet and liner are attached. The permanent magnet is attached between the outer cover and liner. The outer cover and liner cover the permanent magnet.