A thorn in the foot can be picked out with a needle or surgically removed. If the size of the thorn on the foot is relatively small, and the stab is not particularly deep, the patient does not have obvious pain and other symptoms, you can use a sterilized needle to pick out the thorns, after picking out the local skin using alcohol or iodine pov sterilized, to avoid infection. When the thorn on the foot is larger, deeper, and the pain is severe, then you need to go to the regular hospital in time, to take the surgical way to take out the thorn. During the surgery, local anesthetics will be injected to sterilize the area, and the wound will be sutured after the splinter is removed through a small incision. After the splinter is removed, there will be a wound, during this period, we should pay attention to keep the local clean and hygienic, avoid touching water, so as not to cause infection.