On December 13, the 2023 Symposium on Recent Developments in Time Series Econometrics and Applied Macroeconomics was successfully held at the Economics Building of Xiamen University. This conference focused on the latest research developments in time series econometrics and applied macroeconomics, including the theoretical advancements in time series econometrics and the empirical applications in macroeconomics. The topics covered economic narrative data and data decomposition applications, the use of microdata in macroeconomic forecasting, and the applications of model averaging, nonparametric estimation and machine learning algorithms in macroeconomics. The conference featured a special keynote speech by Nobel Laureate Professor Thomas Sargent.