This paper studied applicative techniques of herbicides Flumioxazin mix with fertilizer employed to soil in the linseed field by completely random design. In this paper, safety aspects on the linseed and defend effect on weeds were carried on by pot experiments. Morphological and physiological indicators of the linseed on different Herbicide- fertilizer density were determined and analyzed, such as the rate of emergence, crop height, weight, the content of chlorophyll, level of nitrate reductase, level of POD, dissolubility sugar and so on. The results indicated that, Flumioxazin (180g/hm2) mix with fertilizer were safety and better Herbicide- fertilizer on the linseed.