The bulge on the child’s neck may be congenital strabismus, lymph node tuberculosis, infectious mononucleosis and other diseases, the patient needs to follow the doctor’s instructions for medication, surgery and so on. 1. Congenital muscular strabismus: younger babies need to be corrected by manipulation, if the effect of manipulative correction is not good or older cases, it is necessary to selectively carry out the sternocleidomastoid muscle cut and release surgery. In addition, some patients can also be combined with hot compresses, ultrashort wave, traditional Chinese medicine massage and other physical therapy. 2. Lymph node tuberculosis: It is mostly seen in children and young people, and is common in neck, bronchial and mesenteric lymph nodes. Usually patients can be treated with first-line anti-tuberculosis drugs such as rifampicin, ethambutol, isoniazid and so on as prescribed by doctors. 3. Infectious mononucleosis: infectious mononucleosis baby can also be manifested as fever, tonsil redness and swelling, swollen lymph nodes in the neck, there can be a bulge in the neck performance. Can be under the guidance of the doctor to be rehydration fluid fever and other symptomatic supportive treatment. Parents are advised to consult a doctor if they find a bulge on the child’s neck, and to seek reasonable treatment after a clear diagnosis.