Tobacco is an important cash crop in China,and weeds are one of the key factors affecting the development of the tobacco industry.In this article,the species and distribution of weeds in main tobacco producing areas,the current status and major problems of weed chemical control in tobacco fields,the herbicides which can cause tobacco phytotoxicity and their symptoms,and the techniques for tobacco phytotoxicity repairing were summarized.Several important issues that need to be concerned in weed control of tobacco fields were prospected,which could provide a reference fo...