If the waist hurts, if the five internal organs burn very hot, it belongs to a hot and dry constitution, and cold compress can be applied. If the limbs are cold, you can stick a hot compress.
The picture above shows a hundred-year-old gold moxibustion patch, also known as magnetic moxibustion hot patch, with a fever of 8 to 12 hours, which has a good reputation and effect.
The picture above shows a century-old Jin 'ai medical cold compress, which can be applied for 24 hours and has great effect.
But the average person is not so complicated, you can try it boldly, and you can change it immediately if you feel inappropriate, and it will not have much impact.
You can call me at any time if you have any questions.