Many patients have a fear of joint replacement, believing that it will result in paralysis, inability to walk, etc. In fact, as a mature surgical technique, a successful joint replacement brings patients pain-free joints and better function so they can enjoy a happier life. The following are before and after photos of a group of patients who underwent total knee replacement surgery at our hospital, with the hope that more patients who are suffering from joint pain will be relieved of their worries and get the right treatment as soon as possible, as is the intention. The first patient: rheumatoid arthritis, left knee valgus deformity, right knee valgus deformity, completely corrected after surgery, the patient walks freely. Many patients have a fear of joint replacement, thinking that it will lead to paralysis, inability to walk and so on. In fact, as a mature surgical technique, successful arthroplasty brings patients pain-free joints and better function, enabling them to enjoy a happier life. Shen Bin, Department of Orthopaedic and Joint Surgery, West China Hospital The following is a set of before and after photos of patients who underwent total knee replacement surgery at our hospital, in the hope that more patients who are suffering from joint pain will be relieved of their worries and get the right treatment as soon as possible, as is the intention. The first patient: rheumatoid arthritis, left knee valgus deformity, right knee valgus deformity, completely corrected after surgery, the patient can walk freely. The second patient: rheumatoid arthritis, bilateral knee valgus deformity, completely corrected after surgery, the patient lost the crutches that were with him for more than 10 years and walks normally. The second patient: rheumatoid arthritis, bilateral knee valgus deformity, completely corrected after surgery, the patient lost the crutches that accompanied him for more than 10 years and walked normally.