The study of Efficiency of Herbal Extracts for Control Brown Planthopper, (Nilaparvata lugens (Stal)). The experiments were conducted in the nursery of the Department of Entomology, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom during March–May 2016.The experimental design was Completely Randomized Design (CRD) 3 replications with 10 treatments is the process of spraying extract Heart-leaved moonseed, neem, tobacco, Siam weed, Derris, Non-tai-yak, eucalyptus and the control unit is the water, alcohol, dishwasher detergent. At a concentration of 25% (w/v).The result plant extract all methodologies are effective in repelling the Brown planthopper. by extracted from tobacco is effective in repelling the Brown planthopper and the best. by percent of chasing, as 10% released after Brown planthopper. At the time 24 hours.