The peanut staggered seeding technique helps to increase the yield of peanuts and is suitable for promotion and application in Liaoning region.This article introduces the overall structure of the 2BHS-4 peanut small row spacing single grain staggered seeder,expounds its working principle,provides a detailed design scheme of key components,and evaluates the performance of the equipment,so as to provide supporting equipment for peanut planting and promote the production efficiency of farmers.