Pediatric clubfoot deformity–? Congenital clubfoot is a very common deformity of the lower limbs in children, which is found unilaterally or bilaterally after birth and presents abnormal foot morphology with inversion, inversion and horseshoe deformity. Although clubfoot is detected at birth, many parents and even doctors believe that the disease needs to be treated when they are older, thus delaying the best time for treatment and making follow-up treatment extremely difficult, and significantly increasing the recurrence rate after treatment. Etiology The cause of congenital clubfoot is still unclear, and may be related to abnormal development of the bone matrix of the foot or primary abnormalities of the soft tissue within the neuromuscular unit. The main points of diagnosis are: 1) inversion of the foot; 2) plantar flexion of the ankle; 3) inversion of the anterior part of the foot; 4) internal rotation of the tibia; 5) limited dorsal extension of the affected foot. Treatment The treatment method that is widely promoted internationally is Ponseti cast orthosis. This method is simple, effective and inexpensive, and more than 90% of the children can be cured after treatment by this method, with less than 5% of recurring patients. Treatment is best performed within 1 week of birth. Many parents, especially the elderly, are often reluctant to bring their children to the clinic at an early stage, and only come to the clinic after the full moon or even 3 months or 1 year old, with the diagnosis of small also growing age foot deformity will become heavier and the foot will be more rigid, which brings us great difficulties in the treatment, seriously affecting the treatment effect, increasing the recurrence rate of the disease and more medical costs. The main procedure of Ponseti treatment is: plaster orthosis (about 5 times, once a week), followed by Achilles tendon release, post-operative plaster fixation for 3 weeks, and then orthopedic shoes until 4 years old. Within the first year after surgery, patients need to be reviewed once every 3 months, and then they can be reviewed once every six months, and any recurrence can be dealt with promptly. Parents can usually give their children foot massage, which can increase the flexibility of the affected foot and avoid postoperative stiffness. The vast majority of clubfoot can be cured by Ponseti cast orthosis, but in older patients (over 4-5 years old), Ponseti cast orthosis is difficult to correct because the patient’s foot is very stiff. Treatment by other methods, such as external fixation frames, is required.