The present invention provides a smart mask which is configured to have skin compliance that is maintained over time, so as to serve to protect a user's respiratory system from contaminated outside air while protecting face skin from ultraviolet rays, wind, cold and pollutants during outdoor activities； which is configured to support a lower jaw which sags downwards due to oral muscle relaxation and gravity during sleeping, so that the mouth does not open, thereby preventing mouth breathing and leading to nasal breathing so as to prevent snoring； and which has moistening and warming functions to alleviate allergic symptoms and oral inflammatory symptoms, enables comfortable breathing during inhalation and quickly discharges carbon dioxide generated by the human body to the outside during exhalation, thereby preventing anatomical dead space and providing a smart mask which is beneficial to health. In addition, provided is a smart mask having skin compliance that is maintained over time, the smart mask leading to deep sleep by using a bio -signal measurement device configured separately and improving the hydration of facial skin, thereby being capable of adjusting the face and facial skin to be pleasant on the eye. A s a result, the smart mask can be worn by children as well as the elderly； can be worn by respiratory patients, snoring patents, allergic patients, pregnant women, the elderly and the infirm, etc. for the purpose of mitigation and treatment of the symptoms； and is wearable during work, sleep and strenuous exercise. Accordingly, the smart mask is a new concept of mask having a very prominent function of health care and facial skin care that has not existed conventionally.
