The aim of investigating the impact of multi -channel integration, trust and loyalty and online loyalty on the intention to re -purchase (Code: Customers of Cyrus Horizon Chain Stores) in Tehran. A questionnaire, including 22 questions with a five -degree Likert spectrum, was used to collect data. First, the questionnaire was confirmed in terms of content validity from the perspective of the content. The Cronbach's alpha coefficient was also calculated to measure reliability. Cronbach's alpha coefficient of 0.862 was calculated. Therefore, the reliability of the favorable questionnaire has been evaluated. The statistical population of this research is customers of the Cyrus Horizon Chain Stores in Tehran, which are unlimited. Using the sampling formula of unlimited societies, 384 people are determined as the sample size. SPSS correlation tests and software are used to test the research hypotheses and analyze the hypotheses using structural equations in Warp Pls .V7. The results showed that multi -channel integration had a significant impact on online loyalty and offline loyalty. And trust has a significant impact on online loyalty and offline loyalty. As well as online loyalty and offline loyalty have a significant impact on the intention to re -purchase.