As today's high-tech develops, society changes accordingly. The book is a collectionof English papers in social engineering field. The authors are scholars and studentsfrom Harbin Institute of Technology, Xi'an Jiaotong University and State Universityof Management, Moscow. The English papers, which follow four themes of socialengineering, focus on the impact of developing high-tech on the social system, aswell as the future developing orientation of social system under the influence of high-tech. This book represents the forefront of social engineering and reflects the ideasand processes of study.