The risk of opening the inner canthus is relatively small, and beauty lovers can rest assured that this is a greater feature of opening the inner canthus. For patients with microphthalmia syndrome whose medial canthus distance is obviously widened and epicanthus is serious, not only the medial canthus distance can be corrected, but also the width of the medial canthus distance can be corrected, and no vertical scar passes through the medial canthus after operation, and no new epicanthus will be produced. The risk reduction of opening inner canthus is related to the choice of hospital. The risk coefficient of inner canthus surgery is closely related to hospital qualification, doctor level and preoperative and postoperative care, so we must choose regular professional hospitals and experienced doctors to do a good job in postoperative care, and we must not lose more because of small.