Neck always feels bloated and congested, which may be caused by neck muscle exertion, neck tumor, cervical lymph nodes and other reasons. 1. Neck muscle fatigue: If the neck muscle is edematous due to aseptic inflammation because of poor working posture or long-term low head work, the neck will feel bloated and congested. 2. Neck tumor: when patients with lipoma, sebaceous cysts and other diseases in the back of the neck, larger cysts can also cause swelling and blockage symptoms in the neck. 3. Neck lymph nodes: lymph node reactive hyperplasia caused by inflammation stimulation will lead to the enlargement of lymph nodes, which will lead to the swelling and congestion in the neck, sometimes accompanied by fever, pain and other symptoms. When the patient’s neck appears to be swollen and blocked, need to go to the hospital in time, after a clear diagnosis under the guidance of the doctor for standardized treatment, so as not to delay the condition.