Children’s neck pain may be related to poor posture and lymphadenitis. 1. Poor posture: children in daily life often appear incorrect posture, such as writing homework head is very low, lying on the table, sleep at night pillow height is not appropriate, etc., so that the soft tissues of the neck is pulled, local congestion and edema, the release of inflammatory factors, resulting in neck pain. 2. Lymphadenitis: all parts of the human body are distributed with lymphatic tissues, with immune function, when the body is infected by pathogens, inflammation of nearby tissues can cause inflammation of lymph nodes, manifested as lymph node enlargement, pain, fever and so on. When the inflammation is under control, the symptoms can gradually improve. Children’s neck pain may have other reasons, it is recommended to go to the hospital in time, complete the examination to clarify the cause, give targeted treatment or treatment.