Take out the clarified liquid medicine, filter it with a 120 mesh sieve, put it in a medicine pot, add the decocted liquid medicine, heat it to boiling, and skim off the floating foam. Decocting the decocted liquid medicine with low fire, evaporating and concentrating, and constantly stirring the liquid medicine to prevent coking and gradually forming a thick paste; Drop the concentrated liquid medicine on the dry leather paper while it is hot, so that there is no water mark around the dripped paste. This is called clear cream. As for ginseng, Cordyceps sinensis and other precious drugs, it is not advisable to decoct them with other drugs to avoid waste. Instead, decoct the thick juice again with low fire, and make the medicinal juice when collecting the paste, or grind ginseng and Cordyceps into fine powder and add it to the paste when collecting the paste to give full play to the drug effect.

Paste collection

Add glue and fine materials into the concentrated liquid medicine, stir continuously until the glue block is completely melted, pour into the medicine pot, and continue heating and stirring until the medicine juice drops into a line or? Column, and then add precious fine materials, fully stir into a paste. Adding gelatin such as Colla Corii Asini, Colla Plastri Testudinis and Colla Cervi, and appropriate amount of honey or crystal sugar and sucrose into thick paste liquid medicine, decocting with low fire, and continuously stirring and mixing evenly, that is, the paste collection process. Sugar and gum components should be selected as needed, such as donkey-hide gelatin and tortoise plastron glue, which are suitable for those with yin deficiency and blood deficiency; If the yang is weak, you can choose antler glue; For those with deficiency of yin and yang, tortoise and deer jelly can be used; Constipation can choose honey; People with diabetes can avoid using sugar; Patients with liver disease don't need to brew yellow wine. In this process, the height of "hanging silk" and "hanging flag" is emphasized. These two situations usually occur, indicating that this ointment is ready and can be made quickly.