For the elderly, this is due to the weakness of kidney qi and the inability of qi and blood circulation, and some middle-aged people develop this condition prematurely. Peripheral circulation will be weakened, and the phenomenon of claw armor will not be honored, which is a manifestation of insufficient qi and blood in the limbs. The heel and knee of the lower limbs are usually subjected to greater gravity, coupled with the impact of exercise and the friction of activity, which is prone to degeneration, causing symptoms such as knee joint pain and heel pain.

This article is selected from Chinese traditional Chinese medicine