Methods of data collection and accumulation. Including: (1) reading method. Read relevant documents, newspapers, magazines, books, materials, etc. And get the necessary information from it. (2) mode of purchase. Purchase relevant information from educational science centers, consulting service units, educational research institutions and related institutions. (3) Listening method. Get relevant information from radio, telephone, etc. (4) Inquiry method. Ask relevant information sources for relevant information. (5) Watching method B obtains relevant information from TV, video and movies. (6) Forecast method. Use forecasting methods and techniques to analyze and predict relevant information. (7) collection method. Specially send special personnel to relevant regions and departments to collect relevant information.