1, "Changchun Statistical Yearbook - 2010" is a fully reflect the Changchun Economic and Social Development in 2009 information on the status of publication. This book contains 2009 Changchun Economic and social aspects of a large number of statistical information, as well as significant year for the major statistical data, is to recognize and study of Changchun economic and social development to guide economic work and the economics of decision-making tool. Second, the book includes a total of four parts. (A) The special set, (b) Monographs, (c) county (city) district economy, (d) statistics. Statistics according to their content is divided into 18 study items, namely (a) Comprehensive; (2) population; (3) units of employees and labor remuneration; (4) investment in fixed assets; (5) energy consumption and inventory; (6) finance; (7) prices; (8) people's lives; (9) urban construction; (10) agriculture; (11) Industrial; (12) Transport telecommunications industry; (13) construction; (14) wholesale and retail trade and the accommodation and catering industry; (15) foreign trade and tourism; (16) finance and insurance industry; (17) Education, science and technology and culture; (18) Sports, health and other services. Third, most of the information in this book comes from the annual reports of various professions, some of the information derived from sample surveys. Fourth, this book is mainly text data and Statistics Department to write. 5, the magnitude of value used in this book indicators and composition, in addition to already indicated, according the year prices, the growth rate calculated according to comparable prices. 6, the book uses uniform standards of international units of measurement. 7, Notations used in the book: "#" said one of the major items, "space" indicates that the target information is available with or without the information.