Children sleeping at night dorsal foot pain may be caused by muscle strain, growing pains, trauma and other factors. 1. Muscle strain: children’s activities during the day, resulting in dorsum of the foot local soft tissue injury, causing dorsum of the foot pain at night. 2. Growing pains: children with calcium deficiency, musculoskeletal growth rate is too fast may cause children’s growing pains, resulting in children’s instep pains, and growing pains usually occur at night, the daytime generally does not affect the activities. 3. Trauma: children’s instep pain may be due to wearing shoes that do not fit, or the back of the foot by external injury, pain. Children sleeping at night back of the foot pain may also be seen in other reasons, parents are advised to take their children to the doctor, after a clear diagnosis by a professional doctor for treatment.