The research was designed to determine the effect of E-commerce to Consumer Buying Behavior. The study utilized a correlation research design which composed of 50 randomly selected e-shoppers at Brgy. Dagatan Dolores, Quezon. This study answer the following questions (1) What are the perception of consumers towards e-commerce? (2) What are the perceptions of consumers towards consumer buying behavior in terms of: Complex Buying Behavior, Dissonance Reducing Buying Behavior, Habitual Buying Behavior, Variety Seeking Behavior. (3) Is there a significant relationship between e–commerce and consumer buying behavior? The result shows that there is no significant relationship between e-commerce as to consumers buying behavior in terms of habitual buying behavior while there is a significant relationship between e-commerce as to Consumer Buying Behavior in terms of Complex Buying Behavior, Dissonance Reducing Buying Behavior, Habitual Buying Behavior and Variety Seeking Behavior.