Relevant technologies requirements of using rocket hail suppression were discussed.First,considering the characteristics of rocket hail suppression,the characteristics of rocket catalyst performance and seeding were expounded.At the same time,a method of determining the optimal temperature and height of catalyst seeding was explored.Parts of the rocket hail suppression and launch angles were studied.In the end,an approximate calculation method about bomb amount during the rocket hail suppression was proposed.Considering the operation example,the effects of rocket in hail suppression were further verified.