Based on the hydroxylamine method, some trends are put forward that the utilization ratio of hydroxylamine should be promoted, and some new hydroxamic acids need to be researched and developed.

• 最后针对羟胺法的特点，展望了其发展趋势，一方面要提高羟胺的利用率，另一方面研究开发新型的羟肟酸系列产品。