Heel pain in small children is considered to be related to excessive exercise, localized trauma, and calcium deficiency. 1. Excessive exercise: children’s nature is playful, in the case of excessive exercise, and then will cause local muscle strain, which will produce obvious symptoms of heel pain, and can be relieved after timely rest. 2. Local trauma: small children with heel pain, also does not exclude the possibility of local trauma, such as in the heel area by the shoes wear and tear, will cause heel pain. Accidentally sticking to the nail can also cause heel pain. 3. Calcium deficiency: the symptoms of heel pain in small children can not be ruled out and the lack of calcium and vitamin D in the body, it is easy to cause a decline in bone density, resulting in small children with heel pain, leg and foot cramps and other related symptoms. Children with heel pain, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.