1. Market research can be divided into consumer market research and industrial market research \xd\2. According to different commodity circulation links, it can be divided into wholesale market research and retail market research \xd\3. According to different product levels, spatial levels and time levels, it can be divided into various types of market research \xd\ and according to different product levels, it can be divided into material product research and service market research. \xd\ can be divided into international market survey and domestic market survey according to different spatial levels. \xd\ Domestic market survey can be further divided into urban and rural market surveys. \xd\ According to different time levels, it can be divided into regular, one-off and periodic market surveys. \xd\4. According to the sub-systems in the market system, it can be divided into financial, securities, futures, human resources, real estate, network, technology and other market surveys. \xd\5. According to the purpose and depth of the survey, it can be divided into exploratory, descriptive, causal and predictive market surveys. \xd\6. According to the different scope of investigation objects, it can be divided into comprehensive investigation and non-comprehensive investigation. \xd\ exploratory survey (informal market survey) is a small-scale survey activity to make the problem more clear. \xd\ Exploratory investigation can be used when the problem or scope of research is not clear. \xd\ Descriptive investigation is to collect and sort out factual information and describe and reflect the objective situation of the market truthfully. \xd\ Causality survey is a market survey conducted to study the objective relationship between market phenomena and influencing factors.