Flesh spurs on the feet are related to wearing shoes if they are corns, and less related to shoes if they are plantar warts caused by viral infections. 1. Chicken eye: Chicken eye is often caused by the friction and extrusion of shoes, and it is easy to appear on the soles of the feet, the outside of the toes and other long-term friction parts. Therefore, you should try to wear soft shoes, which can reduce the production of corns. If you have corns, you can use salicylic acid phenol cream. 2. metatarsal warts: metatarsal warts can also be manifested as the phenomenon of thorns, is due to viral infections, shoes friction excessive may increase the chances of infection. When you have plantar warts, you need to wear loose fitting shoes to avoid discomfort. Plantar warts can be treated with medication such as salicylic acid, or cryotherapy can be used to remove them. If you experience plantar warts on your feet, go to the hospital for a checkup and use the above medications as prescribed by your doctor.