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中药以植物类和动物类药材为主,其质量与它们的产地有密切关系,因而自古就非常重视中药材的产地,说:“凡用药必须择州土所宜者,则药力具,用之有据”,并把具有地区特色、质量优良的药材称为“地道药材”,又称“道地药材”。宋代以前的医药著作中很少发现地道药材的记载,但类似含义的记载很多。到了明代,
Chinese herbal medicines mainly consist of plant and animal medicines, and their quality is closely related to their place of origin. Therefore, since ancient times, they have attached great importance to the origin of Chinese herbal medicines. They said: “Where medicines must be chosen from local soil, the medicines should be used. ”According to the facts“, the medicinal materials with regional characteristics and excellent quality are called ”natural medicinal materials,“ also known as ”authentic Chinese medicinal materials." The records of authentic medicinal materials were rarely found in medical writings prior to the Song Dynasty, but there are many records with similar meanings. In the Ming Dynasty,