The invention discloses a medical multifunctional orthodontic treatment appliance which structurally comprises a dental arch receiving groove, a rubber protective layer, a body upper portion, an upper notch, a body lower portion, bumps, a lower notch, respiration openings, a partition strip, connecting blocks and a tongue correction sheet. The dental arch receiving groove is provided with a rubber flexible layer, detachable flexible blocks and a rubber adjusting bolt, the rubber flexible layer is connected with the rubber protective layer, the detachable flexible blocks are movably connected with the rubber flexible layer, and the rubber adjusting bolt is connected with the rubber protective layer by the rubber flexible layer. The medical multifunctional orthodontic treatment appliance has the advantages that the medical multifunctional orthodontic treatment appliance with the detachable flexible blocks and the rubber adjusting bolt can be separately manufactured according to dental arch forms and dental replacement conditions of individuals and conforms to characteristics of the individuals, accordingly, patients can fittingly wear the medical multifunctional orthodontic treatment appliance, and the treatment compliance of the patients can be greatly improved; the purpose of precision medical treatment can be achieved by personalized treatment, and accordingly curative effects can be guaranteed to the greatest extent.