The invention discloses a pediatric department clinic valgus deformity correcting device. The device comprises a substrate, a base plate is fixedly arranged at the bottom face of the left end of the substrate, a sliding groove is formed in the upper surface of the base plate, clamping plates which are in sliding connection with the sliding groove are arranged inside the sliding groove, a first electric stretchable rod in the horizontal direction is installed at the lower end of the middle of the substrate, the pediatric department clinic valgus deformity correcting device is simple in structure, ankles of a patient are bound and fixed through straps, the distance between the knee joints of the patient is regulated through the two clamping plates, and therefore the valgus deformity correcting effect is achieved; varus caused by valgus deformity can be regulated through a foot plate, knee joint folding can be performed in an assisted mode, by arranging an inclined pressing cushion, the phenomenon that legs are separated from the whole when the foot plate is turned over, a baby can complete correction therapy when in the sitting posture, stability and reliability are achieved, overallregulation is convenient, treatment can be performed according to different conditions of a patient, the correcting effect is good, and recovery of an infant patient is accelerated.