Abstract: The degree of satisfaction of scientists，engineers, and technicians is closely related to the paysystem， which consequently determines theirefficiency in their work. Based on the survey data collected through the project “Survey of Income Gap among Scientists， Engineers and Technicians in Jiangsu Province and Policy Suggestions” fundedby 333 program sponsored by the Organization Department of Jiangsu provincial party committee， the pay system status of scientists，engineers and technicians from north area of Jiangsu province (with Xuzhou city as subject of the study)， middle area of Jiangsu province (with Yangzhou city as subject of the study) and south area of Jiangsu province (with Suzhou city as subject of the study) is analyzed. The factors, such as gender， regions， which have influence on pay system of scientists， engineers, and technicians， are compared. Finally， revealing conclusions are drawn from the study and corresponding policy suggestionsare proposed.