Objective: To describe the food intake of patients with hypertension and diabetes mellitus before and after teleorientation and telemonitoring sessions. Materials and methods: A quasi-experimental study conducted with 80 participants with a diagnosis of hypertension and diabetes mellitus, whose food intake was evaluated at the beginning of the intervention and at the end of the scheduled teleorientation and telemonitoring sessions. Results: At the beginning of the intervention, only 6.25 % of the participants showed an adequate food intake, which increased to 71.25 % at the end of the scheduled teleorientation and telemonitoring sessions. Conclusions: The implementation of a nutrition teleorientation and telemonitoring system in patients with hypertension and diabetes mellitus improves their food intake, thus confirming the efficacy of using ICTs in health interventions for the benefit o...