The comprehensive statistics and investigation data analysis method is a type of method based on statistics,which conducts statistical analysis on data obtained through survey methods.Generally speaking,comprehensive statistics refers to"comprehensive statistical work",which is developed with statistics as the disciplinary background,reflecting and analyzing the development status of different aspects of the unit and even the system based on the collection of business statistical data.The task and role of comprehensive statistics are reflected in comprehensively mastering and utilizing business data,objectively reflecting the real development situation of the unit,and identifying weak work links from it.The article first defines comprehensive statistics and investigation data analysis theory,and then applies the methods to yearbook data of grassroots organizations and academic organizations,describing the development laws of the two types of organizations,establishing comprehensive evaluation statistical analysis indexes,the paper finally propose future prospects for the comprehensive statistical survey theory for high-end technology think tanks,to provide reference for the government and relevant departments.