中成药是祖国医药的重要组成部分，它是在中医药理论指导下，以中药材为原料，按规定的处方和方法制成一定制剂的成品。它具有品种繁多，剂型齐全，便于贮存，携带及服用方便等优点。因此其临床运用必须坚持中医“辨证论治”，“治病求本”，“通常达变”的原则，若不加以辨证 Chinese patent medicine is an important part of the motherland’s medicine. It is a finished product made from certain traditional Chinese medicines as raw materials under the guidance of the theories of traditional Chinese medicine according to prescribed prescriptions and methods. It has a variety of varieties, complete dosage forms, easy to store, easy to carry and take advantage. Therefore, its clinical application must adhere to the principles of “syndrome differentiation and treatment”, “treating the disease and seeking the root”, and “usually achieving change” in Chinese medicine.