传统药生产厂免不了要使用草药和其它天然产物。由于其中成分复杂,有时还不精确,而且有关其性质的科学信息不多,含有这些物质的产品(往往为复方制剂),其少在严密的科学基础上加以再考察。假以常规的用药实践,如果没有表现明显的害处,往往不是急于进行规章干预,而是建立暂时登记制度。然而,长期使用一种物质,而不出严重事故,只能提供安全性的不可靠证据。目前 Traditional herbal medicine plants inevitably have to use herbs and other natural products. Because of the complexity, sometimes inaccuracies, and the paucity of scientific information about their nature, products containing these substances, often in combination, are less readily reexamined on a strictly scientific basis. Instead of hurriedly making regulatory interventions, routine accusations of medication, if not manifestly harmful, establish a temporary registration system. However, the long-term use of a substance without serious accidents can only provide unreliable evidence of safety. Currently