Provided are a remote medical-diagnosis system including: a bio-disc or a biochip performing biological, chemical or biochemical reactions with a sample, and having a barcode or a RF IC; a bioanalytical device analyzing results of reactions performed by the bio-disc or the biochip and including a reader reading the barcode or the RF IC to authenticate the bio-disc or the biochip or recording the measured data to the RF IC regardless of a connection with a remote diagnosis server; a virtual doctor as a software in a user's terminal, the virtual doctor providing a user with guidelines and instructions as how to use the bioanalytical device, and providing the user with a consulting service, a diagnosis unit self-analyzing the measured data using mathematical calculations and outputing results of a diagnosis; a user's terminal providing the user with a consulting service from a medical expert or a virtual doctor; a medical expert's terminal providing the user with a consulting service; and a remote diagnosis server connecting the user with the medical expert during periodic medical consultations, connecting the user with the virtual doctor during non-periodic medical consultations, blocking connection between the user and the virtual doctor if a periodic medical consultations term has elapsed; and a method of performing the remote medical-diagnosis.