The consequences of untreated hammertoe are as follows: 1. Pain will appear on the dorsal side of the toe, especially during walking and shoe wearing, greatly affecting daily activities; 2. When buying shoes, it is difficult to buy a pair of shoes that fit your feet because the toe appears hammertoe, it flexes up and is higher than the surface of the foot, and when choosing shoes, only very few shoes will fit your feet; 3. During exercise or Pain can occur during walking, and infection and skin breakdown can occur, greatly reducing the quality of life. If a hammertoe breaks down, there is a chance of infection, and infection is a very difficult condition to deal with. Therefore, if you find a hammertoe, you should actively seek medical attention and treatment to avoid more serious conditions, such as infection, amputation, or limb necrosis.