Main achievements: I have written more than 50 papers, of which 10 is a major research topic abroad. Among them, "Research and Application of Criminal Appearance Coding" was read at 199 1 international conference. Seven monographs were published, among which "On-the-spot Cartography of Criminal Cases" won the second prize of National Excellent Public Security Textbook; Criminology 1998 won the second prize of the progress of humanities and social sciences of the state education commission; The law of measuring the height and age of criminal footprints won the second prize of scientific and technological progress of the State Education Commission; "Serialized teaching method of image teaching" won the first prize of teaching achievement in provincial universities and the outstanding achievement award of the State Education Commission. He was awarded second-class merit for finding fingerprints 7000 years ago in trace archaeology. Won the second prize of Chen Xiangmei Education Fund. The research team led by 1998 and Oriental Alpine School jointly developed the "Portrait Imitation Combination System of Police Star CCK-II", which passed the expert appraisal of the Ministry of Public Security. In 2000, he won the international gold medal and the second prize of the Ministry of Public Security for scientific and technological progress, and his achievements reached the international leading level. Won the second class merit for solving the "3.8" major case. He has been rated as an outstanding party member in Shenyang, an outstanding scientific and technological worker in Shenyang, an outstanding teacher in Liaoning Province, an outstanding teacher in the national public security system and an advanced individual in science and technology for many times.