The medicinal part of aloe vera is to cut the leaves of the plant, collect the outflow of juice, boil the paste and cool it into pills. This product is bitter cold, belongs to the liver and large intestine meridian, has a diarrhea, clearing the liver, insecticidal effect. Aloe vera bitter cold descending diarrhea, both diarrhea and laxative, but also clear liver fire, in addition to the annoyance of heat, can be used for tongue red with yellow heat constipation, and heart and liver fire, irritability and insomnia, etc., often used with vermillion. Aloe vera has a better role in clearing liver fire, and at the same time have the function of removing the annoyance, can be used for the treatment of liver meridian heat caused by constipation, painful urination, irritability, often with gentian herb, gardenia used together. Aloe vera itself has the function of killing worms, can be used for children’s worms abdominal pain, can be used in conjunction with other anthelmintic drugs. Stomach heat attack will lead to skin darkness, spotting, so the cosmetic effect is also accomplished by diarrhea. It is prohibited to use if the skin is dull and blotchy due to deficiency and coldness of the spleen and stomach.