A knitted fabric for hook-and-loop fastener comprising of tricot stitch for the knitted fabric for hook-and-loop fastener; and the tricot stitch is formed of surface threads, middle threads and backside threads; and each surface threads, middle threads and backside threads has loops at regular intervals, and loops of surface threads are linked to loops of middle threads, and loops of middle threads are linked to loops of backside threads. Furthermore, the piles of surface threads are formed from side to side on the same numbers, and thread direction of a certain loop of surface threads is opposite to thread direction of a corresponding loop of middle threads, and the thread direction of loop of middle threads is opposite to thread direction of a corresponding loop of backside threads.