The present invention relates to a system for monitoring blood pressure in real-time, the system comprising: a main body； and a sensor module comprising a first electrode disposed on one surface of the main body to contact a human body when the main body is worn around the human body and a second electrode disposed on another surface different from the one surface of the main body, wherein signals related to at least one from an electrocardiogram (ECG), a photo-plethysmogram (PPG), and pulse oxygen saturation (SpO
