In this study, customer loyalty is explained based on brand personality. The research method is applied in terms of approach, exploratory and explanatory, and qualitative. The statistical population of the study consisted of managers and professionals of the home appliance industry, among which 16 samples were selected by purposeful snowball sampling for semi-structured interview. In this study, to analyze the qualitative data obtained from the interview, the content analysis method based on grounded theory was used. For this purpose, appropriate passwords were assigned to different parts of the data and concepts were identified. Finally, with selective coding, the categories were refined and the main dimensions of the research emerged in the form of causal, axial, contextual, intervening, strategies, and consequences. Findings showed that customer loyalty to brand with 10 factors and 29 components including elements of marketing mix (4 components), customer attitude (2 components), brand management (2 components), brand functional characteristics (2 components), consolidation Brand status (2 components), purchase decision (2 components), brand personality (5 components), brand loyalty (2 components), environmental factors (4 components), and shopping experience (4 components) are explained.