Tendon sheath cysts in the foot do not heal on their own. After the appearance of tendon sheath cysts, due to the tendon sheath cysts have thicker walls, the contents of the bag is also relatively abundant, once the growth will gradually grow, the speed may be relatively slow, but will not disappear on their own. As the cyst grows, it can exert pressure on the surrounding tissues, causing pain on a daily basis, especially in the foot, where tendon sheath cysts have a significant impact on shoe wearing and can cause significant pain and pressure. They usually require treatment to heal, and the vast majority of them eventually require surgical removal and do not heal on their own.