Demographic factor plays a critical role in customer satisfaction. When thinking about customer satisfaction, people usually associate with personal preference. Demographics therefore become the valuable issue for practitioners to pay much more attention to. Therefore, in order to understand the link between demographics and customer satisfaction, the objective of the study is to report the relationship between the two factors, and vegetarian restaurant is the case. The study conducted a brief interview to understand the vegetarian restaurant customers’ attitude about the satisfaction. Suggestion and conclusion are also provided for the related authorities’ references.