Medii (Medii) provides E-Consult, an online service that allows doctors to receive one-on-one consultation from specialists outside the hospital or in distant locations free of charge. It is possible to consult anonymously through the chat function and video call on "E-consult®" for cases that are difficult to diagnose or cases that are outside your specialty. More than 600 specialists recommended by doctors in each area cooperated in responding to responses, and the system notified the most suitable specialist according to the contents of the consulting doctor, and one of them is matched with We deal with all specialized fields, mainly in immunologically intractable diseases and rare diseases, where knowledge is not widely spread due to regional uneven distribution.