Possible causes of foot pain in Chinese medicine theory: kidney deficiency, phlegm-dampness, blood-heat and other factors. For kidney deficiency, there are kidney yin deficiency and kidney yang deficiency, among them, for kidney yin deficiency, sometimes the soles of the feet are accompanied by heat and the soles of the feet are painful with Six Flavors Pill with tortoise board and cinnamon; for kidney yang deficiency, the soles of the feet are painful because they cannot stand for a long time, so use Eight Flavors Pill; for those with dampness, they are heavy and swollen, so use Bone Replacement Pill and Shi Guogong Medicine Wine; for fat people with dampness and phlegm flowing, use Phlegm Conducting Tang with papaya, castor bean, and anti-hexis; for deficient people, use Tonifying Zhong Yi Qi Tang and Shi Quan Da Tonic Tang; for blood heat, use Si Wu Tang with Zhi Mu, Huang Pao, and Huang Kao, Niubizi, etc.