Liu Shucheng is a famous Chinese economist who has a major impact on the study of China's macroeconomics and quantitative economics. Selecting some of Liu's representative studies on Chinese macroeconomy, this book will be a valuable reference for understanding and studying Chinese economy. The first five papers appear in the author's collected works for the first time. They mainly study the overall balance of Chinese macroeconomic operation and the relative economic mathematical models. The commodity-currency balance sheet improved the earliest input-output model introduced to China in the 1980s, and the author's frontier research is of great importance for Chinese economic study. In attempting to solve the problems caused by incontrollable fixed assets investment, the author examines the periodicity of fixed assets investment in China, including the characteristics, causes, and the impact of investment periodic fluctuation on economic periodic fluctuation. Besides, the author studies Phillips curves in China in a comprehensive and intensive way. These in-depth analysis provide original insights based on the author's extensive research.