In June 1999 and May 2000, they issued the Procedures for the Control of Ephedrine and the Regulations on the Control of Transportation Licenses for Ephedrine, which have further improved the rules on the strict control of ephedrine.

• 1999年6月和2000年5月，国家有关部门先后发布《麻黄素管理办法》和《麻黄素运输许可证管理规定》，进一步完善了对麻黄素严格管制的有关规定。