The first is the color of the feet. The color of feet is red, which is a relatively healthy and normal state. Generally speaking, the color of feet is blue, which is a sign that the body has chills; The yellow color of feet is the manifestation of liver damage; The color of the feet is dark, indicating that the body has internal heat; Purple or black soles may be a sign of poor blood circulation.
The second is the temperature of the feet. The healthiest state of foot temperature is relatively warm, neither high nor low, not sweating often, nor cold. If your feet are hot all the year round, it may be a sign of yin deficiency and internal heat. Generally, such people will be thin and thirsty. Generally speaking, if young friends often get cold feet after 40 years old, it may be caused by insufficient kidney yang or improper warmth. At this time, we should eat more warm foods, such as medlar and mutton.
The third is the state of toenails. Healthy toenails are pink, smooth, translucent and usually full. If the color of toenails is purple, it is because of poor blood circulation, resulting in insufficient blood supply to the feet and occasional dizziness. If the color of toenails is white, it can't recover its color for a long time after pressing, which may be malnutrition or anemia.