Online Medical consultations are characterized by a "super-information" attribute that emerges from the integration of medical services, information services and data support. To examine how patients form trust under this attribute, the study employs a constructivist grounded-theory approach and conducts semi-structured interviews with 40 online-consultation patients. Findings reveal that patient trust is generated within a multidimensional information context comprising three interrelated layers: micro-level individual perceptual information, meso -level platform data information, and macro-level institutional information environment. Interactions among these layers of trust ultimately shape patients’ information-adoption behaviors. By analyzing patient trust through a multidimensional framework, this study addresses the previous neglect of the platform’s information ecology. The proposed framework provides theoretical insights into the logic of patient trust in online consultations and offers guidance for the development of health-information service systems.