Hello, the postoperative effect of closed cup-shaped ear plastic surgery also depends on the necessary postoperative care. The specific matters are as follows: 1) Some irritating foods, such as pepper, raw onion, raw garlic, ginger and seafood, should be avoided for 35 days after operation. 2) Try to avoid water on the surgical site within 7 days after operation. 3) It is forbidden to compress the ear within three months after operation to avoid ear deformation again. 4) Avoid irritating foods, such as peppers. 5) Medication and follow-up visits in strict accordance with the doctor's advice.