1, unpack. There are three kinds of medicine bags, Artemisia argyi essential oil and temperature control stickers. A temperature control sticker is a sticker that lowers the temperature. If you can't stand more than 50 degrees, you can wear them.

2. Open the medicine bag and mugwort essential oil bottle. Open it completely when opening it, and don't use too much force to avoid tearing your feet.

3. Pour the essential oil into the medicine bag and spread it evenly on the surface of the medicine bag. Don't pour it all at once, but slowly.

4. Stick it on the place or body part where it needs to be used, and it will give off heat in 3-5 minutes, and it will take about 7-8 hours.