Pediatric myelomeningocele: 1. Location: a lump in the sternocleidomastoid muscle of the child, hard and soft, with different sizes; 2. Symptoms: mostly one side of the onset, can be seen in the affected side of the facial muscle atrophy, eye fissure smaller than the healthy side, head tilted to the affected side, face turned to the healthy side, cervical turning side difficulties; 3.