Why must use the Achilles Tendon Support?

I have the experience of ankle sprain, which is that I accidentally stepped on two empty steps at night and slipped, and then swollen the next day. It doesn’t hurt very much, but it hurts when I walk. I tried to apply a lot of Medicine on it to reduce the swelling, because I can be sure that there is no fracture, and I haven’t been good for six months. Why? Because the ankle and Achilles tendon are the necessary parts for walking and daily activities. Once walking, they will sink and sprain their ankles again, so as long as you move, they will not be good. If you want to recover, fixation is a must