Rejection is the reaction of the body to a foreign substance or drug that enters the body, such as redness, swelling, pain, or oozing. Rejection reaction is mainly for some sutures in the body, or transplanted organs, for example, liver transplantation rejection reaction, the patient may appear liver failure, or even life-threatening. If there is a rejection of the kidneys, the patient can have no urine, and at the same time, the body will have the corresponding symptoms of discomfort. If the suture is performed, rejection reaction can also occur, for example, the suture line in the body, which will lead to local skin redness, swelling, pain, and even liquid outflow. After the rejection reaction is found, you need to go to the hospital as soon as possible to improve the relevant examination, give appropriate treatment, during the treatment period can not drink drinks containing alcohol, do not eat spicy food, other precautions need to be consulted with the attending physician.