In May 2011, Xine online marking system was successfully implemented in the simulated joint examination of senior three in Bengbu City, Anhui Province. This joint examination has 8 schools, more than 6000 students, more than 200 marking teachers. Wuyuexin Company uses ISR2050 image scanner to participate in the examination paper scanning. The scanned image of the answer card is clear, and the scanning process is progressing smoothly. No errors occur, which has won the unanimous praise of teachers and students.