Investigation and research method. For the collection of some information without fixed sources, it is necessary to adopt the method of investigation and research. (1) survey method. The survey methods include interview survey, written survey, indwelling questionnaire survey and telephone survey. In school management, the most commonly used method is interview survey. It refers to listening to the opinions, demands, reactions, criticisms and suggestions of the respondents face to face. In breadth, there are individual interviews, group visits and symposiums, and different types and modes should be selected for symposiums and individual interviews to make them representative. In depth, there was an interview, many interviews and repeated in-depth talks. In terms of strategy, first, do a well-prepared investigation, ask the other party to pile up their full opinions in advance, and second, consciously prevent the other party from preconceptions and talk casually to get more intuitive opinions and demands from the other party; In terms of methods, there are out-of-town visits. ......