1, reading method. Read relevant documents, newspapers, magazines, books, materials, etc. And get the necessary information from it.

2. Method of purchase. Purchase relevant information from educational science centers, consulting service units, educational research institutions and related institutions.

3. Listening methods. Get relevant information from radio, telephone, etc.

4. Inquiry method. Ask relevant information sources for relevant information.

5. View mode B obtains relevant information from TV, video, movies, etc.

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.