There are many causes of back pain in 10 year olds, including sprained back muscles or localized bone and joint injuries after a fall, which are more common. Because children are young, naughty and active, they may suffer from muscle sprains, which can be diagnosed by back X-rays. Some babies with congenital heart disease, such as mitral valve insufficiency, aortic valve insufficiency, etc., will lead to abnormal blood supply and oxygen supply to the heart, which will lead to ischemia and hypoxia of the heart, which will also produce back pain, timely examination and treatment, can do cardiac ultrasound, which will be able to make a clear diagnosis. If the baby because of improper diet, often eat cold, greasy food damage to the mucous membrane of the stomach, may lead to gastritis and other diseases, when the stomach pain involved in the back of the nerve will also appear back pain, need to make a clear diagnosis, and timely treatment.