Chinese patent medicines for clearing heat and cooling blood have the functions of relieving hair fever, cooling blood and removing blood stasis, and clearing away heat and toxic materials. Suitable for body heat at night, mental annoyance, insomnia, delirium, or faint rash caused by heat entering the blood; Bleeding and punctate bleeding caused by heat entering the blood, such as madness, delirium, red tongue, tingling, etc. Representative Chinese patent medicines are Qingre Liangxue ointment.

When the exterior syndrome has been solved, the internal heat is full, or the internal heat is not strong, we should pay attention to the use of heat-clearing Chinese patent medicines. If the pathogenic heat is in the exterior, the exterior should be relieved first, otherwise the pathogenic heat will enter the interior; If the internal heat is true, you should take Chinese patent medicine; If the exterior pathogen is not solved and the interior heat is solid, it is advisable to treat both exterior and interior. In addition, it is also important to distinguish the internal organs of narrative, true and false, and heat syndrome. This kind of Chinese patent medicine mostly uses bitter and cold products, which are easy to hurt human yang and cannot be taken for a long time.