First metatarsophalangeal joint fusion is a common treatment for severe bunion deformity. According to the consensus of bunion treatment experts, the first metatarsophalangeal joint fusion is the most common treatment for severe bunion deformity. First metatarsophalangeal joint fusion can effectively improve the shape and function of the bunion, and the bunion will not be easy to recur after the surgery. Patients who find severe bunion deformity with obvious discomfort symptoms should consult a doctor in a timely manner, have the doctor fully evaluate the patient’s condition, choose the appropriate treatment, actively cooperate with the doctor, and avoid wearing pointy-toed shoes or shoes that are too tight in normal times.