In children, a herniation of the lateral bones of the foot is characterized by a protrusion of the base of the fifth metatarsal, which is usually symmetrical bilaterally. The fifth metatarsal tends to protrude because it is the point of gravity of the foot. In children, a herniated lateral foot is usually a bulge at the metatarsal bone. Because the fifth metatarsophalangeal joint is the stress point of the foot and ensures the stability of the foot’s fulcrum, when the metatarsophalangeal joints are squeezed, rubbed, or the first metatarsal develops a greater inversion angle, it can lead to metatarsophalangeal joint arthritis, bursitis, and metatarsal head growth, which can lead to the protrusion of the lateral malleolus of a child’s foot. The effects of common medications are usually less pronounced in children with herniated lateral phalanges. For pain relief, diclofenac diethylamide latex can be considered, along with hot compresses to alleviate the symptoms. If the effect is not obvious, it is recommended that the patient undergoes relevant examinations such as foot x-rays to check whether there are any abnormal growths in the foot bones. If combined with other discomforts, it is recommended that the patient go to the orthopedic clinic, cooperate with the doctor’s diagnosis and treatment, do not blindly use drugs.