Children’s foot pain may be related to excessive exercise, inappropriate shoe size, local trauma and other factors. 1. Excessive exercise: children are more playful by nature, in the case of excessive exercise, it may cause more accumulation of lactic acid in the feet, which will form the symptoms of children’s foot pain, which can be relieved after resting. 2. Inappropriate shoe size: children’s foot pain can’t be ruled out and inappropriate shoe size factors, such as wearing smaller shoes, there may be friction on the skin tissue of the foot extrusion, which will cause foot pain. 3. local trauma: this is also the main cause of children’s foot pain, may be due to heavy objects hit, fracture and other factors, thus causing children to appear the phenomenon of foot pain. Children’s foot pain may also have other causes, if necessary, with the doctor to do further examination, clear diagnosis and then do the treatment.