Immersion bath is to wrap the medicine in gauze, add 10 times of clear water, soak for a period of time, then fry until the fragrance is strong, then pour the liquid medicine into bath water and soak it in the bath. A dose of medicine can be used two or three times, each time for a few minutes, once a day, covering all parts of the body.
Fumigation bath is to wrap the medicine in gauze, add water and decoct it in a larger container, and fumigate the local area with the hot air generated during decocting; Or use the steam room for whole body bath therapy.
Immersion bath and fumigation bath are usually used in combination. Generally, when the temperature of the liquid medicine is high and there is a lot of steam, it should be fumigated first and then washed, and then soaked when the temperature drops to the immersion bath.