The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.