Lymph nodes in the baby’s neck, most of this condition may be localized lymph node enlargement due to congenital factors, or it may be some subcutaneous nodes in the area, not necessarily lymph nodes. Therefore, for this condition, it is usually necessary to go to the hospital for diagnosis, and an ultrasound examination of the body surface is needed to determine whether this nodule or lymph node is pathological or physiological. If it is pathological, it may generally be due to lymphadenitis due to an infection in the area, or an infection in a lymph node drainage site, such as the upper extremity or head and face. Therefore, it is necessary to make a clear diagnosis and then treat and administer medication according to the specific situation.