The study aims were to explore the effects of service quality, experiential marketing, purchase intention, and repurchase intention on 3C industry. The study uses a questionnaire by convenience sampling as the survey method to collect data, this thesis was collected back 302 questionnaires to customers in any 3C industry and mobile phone store and 285 were valid. The study applied hierarchical regressions, which tested mediating or moderating effects. The study showed that good service quality will increase customers purchase intention and indirectly affect their repurchase intention. The results are (a) the relations among service quality, experiential marketing, purchase intention to repurchase intention are significant and positive effect, (b) purchase intention has a mediating effect between service quality and repurchase intention, (c) experiential marketing doesn't have a moderate effect between service quality and purchase intention.