Abstract: Oil sunflower is one of five major oil crops in China，which has high utilized value and nutritional value.So it is called ‘healthy nutrition oil’ in 21st century.Oil sunflower mechanized harvest level is not high in China.It is of great significance to develop oil sunflower harvester to reduce labor intensity，improve production efficiency and realize oil sunflower production mechanization.Research status of oil sunflower harvester at home and abroad was expounded.Problems existing in development of oil sunflower harvester were analyzed.Development suggestions were put forward.