The feeling of neck tightness after hemilaryngectomy may be related to nerve damage, postoperative bleeding, wound healing and other reasons. 1. Nerve injury: surgery may damage the nerves of the surrounding tissues, abnormal sensation may occur, such as feeling tightness in the neck after hemilaryngectomy, you can follow the doctor’s instructions to use methylcobalamin tablets, vitamin B12 injection and other drugs for treatment. 2. Postoperative bleeding: postoperative bleeding in the wound, the formation of hematoma compression of the surrounding tissues, may appear after hemilaryngectomy neck tightness, if a small amount of bleeding can be treated with pressure bandage, hematoma is large, then need to be incised and drained treatment. 3. Wound healing: As the local tissue and muscle of the wound will grow again after the operation, there may be a sense of pulling and tightening during the healing process, which may lead to the feeling of neck tightness after hemilaryngectomy, which is a normal phenomenon after the operation, and does not require special treatment. Therefore, patients who feel tightness in the neck after hemilaryngectomy should go to the operating hospital in time to find out the cause of the disease.