While Most people regarded locusts was the visitation of Providence which only by moral buildings can it be driven out in Tang dynasty,Yao Chong successsively exterminated locusts.

• 姚崇灭蝗是唐代一次成功的灭蝗运动,但却是一个个案。大部分唐人认为蝗是天灾,应修德以禳灾。