Nowadays the consumers’behavior becomes less predictable.However，basically，a consumer’s buying behavior is influenced by four major factors，cultural，social， personal and psychological factors.These factors cause consumers to develop product and brand preferences.Hence， here the personal factor will be discussed more details in the report，especially age.The purpose of this report is to analyse and evaluate buying behavior go through when purchasing convenience foods in supermarkets.The objective is to compare the differences of shopping results between the two Chinese female people in two weeks.One is a student who studies in Lancaster University；the other one is teacher who works at Oxford College.
　　As can be seen from the diary，a young girl goes for shopping five times in two weeks. Compared with the teacher，she goes for shopping four times in Tesco.But the young girl does not shop at a particular supermarket，once in Marks