Traditional Culture Encyclopedia - Weather forecast - When it's cold, walking or running will make your thighs itch. What happened?

When it's cold, walking or running will make your thighs itch. What happened?

The body is hot, and the clothes are very warm and airtight, so the sweat glands are deprived of oxygen, and gradually the whole body will feel this way.

There is a similar situation when eating and hot soup.