The situation that causes the patient’s toe to be bruised may be caused by local trauma, venous thrombosis, inappropriate shoes, etc. The details are as follows: 1, local trauma: the most common is the local trauma, such as the sprain of the toe in sports, at this time there will be local bruising of the toe, local bruising. 2, venous thrombosis: due to the obstruction of the local blood return of the toes, most often seen in toe Artery and toe vein thrombosis, especially venous thrombosis, can lead to the obstruction of blood return to the toes, so there can be swelling and bruising of the toes. 3, inappropriate shoes: due to the wear of inappropriate shoes, such as shoes are too small, can cause friction and extrusion of the toes and the shoe surface, over time, can cause local soft tissue contusion of the toes, which can be manifested as bruises and bruises on the toes. Bruises and bruises.