答:清热药物按其主要功效划分为五类,这是为了便于掌握分清主次,是一种人为的分类。由于每一味药物其功效往往是多方面的,因此各类清热药物不能绝然分开,它们之间有着密切的联系。在清热泻火药中知母、芦根、天花粉等均为甘寒滋润之品,不仅能清热泻火,还能滋阴生津,故可用于虚热之证,与清虚热药物有类同之处。又如栀子、黄芩、黄连、黄柏等虽列为清热 A: The heat-clearing drugs are divided into five categories according to their main functions. This is to facilitate the mastery of separation and is an artificial classification. Because the efficacy of each drug is often multi-faceted, various types of heat-removing drugs cannot be completely separated and there is a close connection between them. In heat-clearing pyrotechnic herbs, Anemarrhenae, Rhizoma Alpiniae, and Trichosanthin are all cold and moisturizing products. They can not only clear away heat and purify fire, but also can nourish yin and build up fluid. Therefore, they can be used as evidence of defibrillation, similar to those of Qingxu Decoction. Department. Another example is that wolfberry, yellow peony, berberine, yellow cypress, etc. are classified as heat