Like the organization of a royal court, herbal medicine treatment is divided into four categories known as the king, the minister, the aide and the envoy.
不過，儘管如此，中藥常常能奇蹟般地治好西醫所力有未逮的病症，卻是不爭的事實。中藥的處方，往往都是用多種藥物混合為一劑，而在其中又有「君、臣、佐、使」的道理。