The purpose of this research is to investigate and understanding deeper of the factors that influence purchase frozen food products for Thai consumers in Bangkok, Thailand. In addition, the theories and useful knowledge from many authors were used and applied to this research to obtain more understanding in the buying behaviour of Thai consumer toward frozen food. In order to, find relationship from each factor the 300 sets of questionnaires were distributed to Thai respondent how live in Bangkok by using structure of online survey (Qualtrics Survey) to design the questionnaires and transmit on respondent’s Facebook page.