十九世纪后期以来,国外广泛而深入地开展了稀土在医药方面的研究。1949年英国、澳大利亚、日本等国先后收载草酸铈进入药典,用于治疗晕动症和妊娠呕吐。六十年代后,陆续发现稀土化合物具有一系列特殊的药效,是钙离子拮抗 Since the late nineteenth century, extensive and in-depth study of rare earth in medicine has been carried out in foreign countries. 1949 Britain, Australia, Japan and other countries have received cerium oxalate into the pharmacopoeia for the treatment of motion sickness and pregnancy vomiting. After the sixties, one after another found that rare earth compounds have a series of special effects, is calcium ion antagonism