A method for providing health care information by using a cloud-based portable device for measuring body fat and a device using the same are disclosed. A health care information providing method is a method for allowing a cloud-based server to provide health care information, and comprises the steps of: collecting body fat measurement results from portable devices for measuring body fat of users； generating reference data for each group or each region on the basis of the collected body fat measurement results； and acquiring personal body fat measurement result information on the basis of the generated reference data.
