Swelling of the instep when smashed can be treated with localized hot and cold compresses, medication and physical therapy, thus promoting the recovery of the body’s health. When the back of the foot is smashed, there will be a local microcirculation disorder, which will be manifested as swelling. In such cases, patients can choose cold compresses within 72 hours to reduce swelling. After 72 hours, the affected limbs can be elevated and hot compresses can be applied to the affected area, which can promote blood circulation and reduce the swelling of the affected area. Some patients may experience pain, which can be treated with topical painkillers, such as diclofenac sodium ointment, or oral painkillers, such as celecoxib and ibuprofen, under the guidance of a doctor. Some patients can also take physical therapy, such as gathering ultrasound, magnetic therapy, etc., are conducive to promoting the elimination of local swelling and improve the prognosis. Patients whose insteps are stepped on and swollen need to take into account their own situation and actively cooperate with the doctor to take relevant treatment measures. During the treatment period, you also need to follow the doctor’s instructions for regular review, in order to understand the recovery of the disease.