1, black: Most people insist on black, which means heavy moisture.

2. Yellow/green: Sticking yellow/green means getting angry and getting angry, generally spicy, fried, irritating or junk food.

3, white: there are several reasons for sticking white in the middle: you don't stick it tightly, there are no acupuncture points where you stick it, and there are few moisture toxins in the body. If you start to use white, it means that your body is not sensitive and your blood circulation is not good. It is recommended to soak your feet before sticking and drink plenty of water to promote detoxification; There is white in the later stage, indicating that the toxin in the body is low in water.

4, oil: oil is a mixture of toxins and oil in the body, detoxification phenomenon.