The appearance of foot pads on the bottom of the foot, also known as flat toes, is related to the usual walking posture. In addition, it is related to wearing hard shoes, which causes the thickening of the cortex on the bottom of the foot, and over time, it will form a thick yellow patch with clear borders. So if you want to avoid this kind of foot pad produced. First, maintain the correct walking posture, reduce extrusion. Second, choose loose and soft shoes. In addition, if this foot pad has appeared, you can choose the treatment method, every night hot water soaking for about half an hour, and then you can apply salicylic acid ointment, which can soften the foot pad, which can significantly reduce the local pain, long local can become better, thinner, softer some.