There are more reasons for pain on the outside of the little toe, which may be due to over-tightening of shoes, trauma, tendonitis, and so on. 1. Shoes are too tight: it may be that the patient’s shoe size is too small, coupled with a long period of walking, it will lead to extrusion of the outer part of the little toe, tissue damage, thus pain. 2. Trauma: impacted by external force or scratched by sharp objects, etc., causing damage to the soft tissues on the outer side of the little toe, which can also cause pain on the outer side of the little toe. 3. Tenosynovitis: it may be that the tendon is inflamed due to poor blood circulation in the little toe or overstrain, etc. The inflammation stimulates the tissues around the tendon sheath, and the pain on the outer side of the little toe will appear. When there is pain on the outside of the little toe, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause with the help of the doctor, and carry out targeted treatment or therapy.