Abstract: Weeding technology and equipment is an essential tool in agricultural production．Investigations on weeding technology and equipment were conducted through various methods such as literature review, telephone interviews, enterprise discussions, and on-site observations．Cost saving and efficiency increasing situation of mechanical weeding, promotion and application status of domestic mechanical weeding equipment, and research and development progress of high-end intelligent weeding equipment were analyzed．Main problems and reasons for application of intelligent weeding equipment in Heilongjiang Province were analyzed, and on this basis, development suggestions and countermeasures were proposed．