What kinds of herbs are there in Chinese herbal medicine hot compress method? What is the difference? (Treating knee swelling and hydrops)

(1) prescription: achyranthes bidentata, notopterygium root, sappan wood and tetrandra root each 20g, Zanthoxylum bungeanum, Asari and Carthamus tinctorius each12g, Radix Aconiti, Radix Aconiti Kusnezoffii, Olibanum and Myrrha each15g, Folium Artemisiae Argyi, Herba speranskiae tuberculatae and Herba Lycopodii each 30g, and rice vinegar 20.

(2) Divide the above medicines into two parts, wrap them in gauze respectively, put them into a medicine pot, soak them in cold water for 20-30 minutes, boil them for about 20 minutes, pour them into the pot, add vinegar, first put the affected knee on the pot for fumigation, and when the temperature of the liquid medicine drops to a suitable level, alternately apply two medicine bags to the knee and rub them repeatedly. If the medicine is cold, it can be heated for further use. Hot compress lasts about 30 minutes each time, twice a day. 1 dose can be used for 2 ~ 3 days, and 5 doses are 1 course of treatment.