2-（Benzo[d]thiazol-2-yl） isoindoline-1,3-dione was prepared with traditional and microwave technology,respectively. With microwave technology, the optimal parameters of microwave power, reactive time and ratio of reaction material were obtained as follows： microwave power 500 W, molar ratio of reaction material 1 ： 1.2, reaction time 6 rain, product yield 90.8% in N,N-dimethylformamide solvent and product yield 87.4 % in none solvent, respectively.