The causes of children’s foot pain are generally considered to be tenosynovitis, lack of calcium, trauma and so on. The specific cause of the disease needs to be confirmed after examination in a regular hospital. 1. Tendovaginitis: children’s activities are large, tendons and tendon sheaths rub against each other, excessive friction triggers inflammation, that is, tendovaginitis. Clinical symptoms are often manifested as localized pain, pressure pain, may involve the foot, the symptoms of pain. 2. 2. Calcium deficiency: children grow and develop faster, and their bones grow faster. If there is a lack of calcium in the body, muscle aches and pains, joint pains and other symptoms may occur, which may be manifested as pain in the soles of the feet. 3. trauma: such as prolonged exercise, shoes too tight for the feet or other external injuries, resulting in damage to the skin at the feet, resulting in pain sensation. If the symptoms of foot pain in children appear, it is recommended to go to the hospital in time for early and regular treatment.