The general report is divided into 3 parts.Firstly，the essence of the all articles of the blue book has been captured and a comprehensive review is given in order to highlight the main points and characteristics，this is a key purpose of the general report.Second，the process and problems of the Chinese business activities in Europe is analyzed as a case study，and some advices and suggestions are put forward from a consideration of new angle of the study on overseas Chinese economy in the whole world.Lastly，a preliminary exploration in the theoretical transformation from extensive and scatted research to an intensive model is presented，and many new ideas and suggestions are provided for the practice and guidance for research on overseas Chinese.