The invention provides a multifunctional orthotic plate device for the legs, feet and ankle joints of a hemiplegic patient. The device comprises a bottom plate, a spring reset device, a pedal plate, apositioning frame, a sliding groove, an angle adjustment frame structure, a detachable message wheel structure, an auxiliary rod structure, an auxiliary holding tube structure, an antiskid cushion block and a protective strip, wherein the spring reset device is arranged in the middles of the inner sides of the bottom plate and pedal plate through bolts. The multifunctional orthotic plate device for the legs, the feet and the ankle joints of the hemiplegic patient has the advantages that an auxiliary operating rod is arranged on the upper left portion of an adjustable control rod, thereby being conductive to reducing a gap between a user and a handle when the user is located at the left side, and providing convenience for utilizing the auxiliary operating rod to control the angle of the adjustable control rod; a hook-and-loop fastener mother buckle is attached to a hook-and-loop fastener son buckle, thereby being conductive to fixing a massage lantern ring at the outer side of a rotating roller conveniently, and cooperating with a massage ball to massage the leg of the patient conveniently; and rest springs are arranged at the inner sides of an upper side mounting plate and lower side mounting plate through fixing bolts respectively, thereby being conductive to providing convenience for resetting the pedal plate.