The causes of vomiting in children include Meniere’s syndrome, upper respiratory tract infections, and concussions. 1. Meniere’s syndrome: children’s stomach does not hurt just vomit can be considered Meniere’s syndrome caused by Meniere’s syndrome, suffering from Meniere’s syndrome, may suddenly appear vomiting symptoms, vomiting at the same time accompanied by weakness, dizziness and other discomforts. 2. Upper respiratory tract infection: children’s stomach does not hurt just vomit can be considered upper respiratory tract infection caused by upper respiratory tract infection affects the digestive tract, resulting in patients with vomiting symptoms. 3. concussion: children’s stomach does not hurt just vomit also consider the cause of concussion, especially children suffered traumatic brain injury after the formation of concussion, vomiting is one of its clinical symptoms. There may be other reasons why a child’s stomach doesn’t hurt but just vomits, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.