When the weather changes, why does the wound hurt?

The original position of the internal organs was changed, although surgery was performed for some reasons. After all, the internal environment has changed and is no longer in harmony with the external environment. The nervous system is damaged and cannot be completely repaired. When the weather changes, the changing place reacts first, and it cannot be synchronized with other organs, so it is not suitable. Just pay more attention to protect that area at ordinary times and always keep it at a constant temperature, that is, the temperature and humidity where you can't feel pain. There is no good way.