How long does it take to correct the foot inversion to stand inclined board back according to the patient’s condition as well as the effect of the patient’s condition, for slight foot inversion through the stand inclined board or wear corrective support, generally three months can improve, for serious foot inversion, stand inclined board or corrective support generally can not improve the deformity, the need for surgery to correct. 1. Slight inversion of the foot: for adults with mild inversion of the foot or congenital inversion of the foot within one year of age, the foot can be corrected by standing inclined board or wearing corrective support and other exercises under the guidance of the doctor, and the deformity can be improved in three months in general. 2. Severe hallux valgus: For severe hallux valgus, the general inability to stand on the inclined board or corrective brace does not improve the deformity, and surgical treatment is needed, through the loosening of the Achilles tendon, metatarsophalangeal fascia and other tissues, and osteotomy and fusion treatment if necessary, and postoperative cast fixation, which can make the deformity of the hallux valgus be corrected. Therefore, if patients with hallux valgus are unable to correct the deformity, it is recommended that they consult a doctor in time for regular treatment and, if necessary, undergo surgery to correct the deformity.