Advertisement remains a special tool in the hand of manufacturers to make it products acceptable, adopted and yield them return. It is on this background the research examines the influence of advertisement AfriCity University undergraduates´ patronage of Goodmorning cornflakes. Cross sectional survey research as a quantitative design was used. Questionnaire was used as a research instrument for collecting data from 100 respondents that were drawn from AfriCity University. Multi-stage sampling technique as probability sampling was used to select respondents from AfriCity University. Findings showed that advertisement has great influence on respondents purchase of Goodmorning cornflakes. The study recommends that the manufacturers should extend their advertisement campaign to social media and other another online platform in order to reach multiple students.