The most common cause of plantar plate pain is plantar tendonitis, flatfoot syndrome, etc., as follows: 1, plantar tendonitis: the starting point of the plantar tendon membrane in the heel bone, the termination point in the base of the toe bone, if usually too much weight-bearing walking, or too long, too long sports, will cause the plantar tendon membrane to be subject to higher tension and load, which will cause the dermal nerve in and out of the plantar tendon membrane to be stuck, and therefore will be manifested as The plantar tendon membrane of the body surface projection area of pain, specifically the location of the plantar plate pain, plantar heart pain; 2, flatfoot syndrome: due to the collapse of the arch of the foot when flatfoot, the weight-bearing force point of the foot will change, so that the plantar tendon membrane will be more stress, will also appear the inflammation of the plantar tendon membrane, so that the pain of the plantar plate, especially after walking shorter distances appear plantar plate pain.