306 and 339. According to official website, Shaanxi Education Bureau, in 2022, the score line of safety postgraduate entrance examination of Xi 'an University of Science and Technology was 306, and that of engineering colleges was 339. Postgraduate entrance examination refers to the national unified postgraduate entrance examination, which refers to the general name of the relevant examinations organized by the education authorities and enrollment institutions for the selection of graduate students, and consists of the initial examination and re-examination organized by the national examination authorities and enrollment units.