In this research the questionnaire survey is divided into three major parts (see appendix A). The first part contain basic consumption of frozen foods, the second part relates to consumer behaviour, which is concerned with the key factors that influence buying behaviour of consumers towards frozen food products, and the third part relates to personal information. Moreover, the proper communication channel for this research, to send the questionnaire and communicate with respondents, seems to be the internet because the target audiences (ages 15 - 60) of this research spend most of their time in this communication channel, and the internet can provide a The research question is: what factors influence buying behaviour of Thai consumers toward frozen food products? The focus area of this research is Bangkok, Thailand which the respondents are all from this area. The questionnaire has a filter at the first and second questions of the questionnaire to determine that the respondents known about frozen food and ever purchase frozen food products, if the respondents not know or never purchase frozen food products, the questionnaire survey will direct to the end of questionnaire survey.