The present invention relates to a portable biometric information monitoring device and a biometric information monitoring system using the same, wherein the portable biometric information monitoring device is a portable biometric information monitoring device which measures / stores biometric information and athletic information of a user during exercise, and is configured as a portable type. Measure / store at least one exercise information of the user's moving distance, movement time, and moving speed, and measure / store at least one or more biometric information among physical activity, heart rate, respiratory rate, skin temperature, posture, and heart rate variability. It is a portable biometric information monitoring device, Biometric Information Monitoring System The above-mentioned portable biometric information monitoring device comprising: a portable biometric information monitoring device for outputting measured exercise information and biometric information to a connected user terminal； A user terminal connected to the portable biometric information monitoring device and receiving exercise information and biometric information output from the monitoring device to analyze an exercise record； And receiving / saving exercise information and biometric information transmitted from the user terminal, and using at least one of exercise prescription information, nutrition prescription information, predictive exercise record information, and cardiac abnormality information using the received user's exercise information and biometric information. Biometric information monitoring system comprising a management server for generating the above information and transmitting to the user terminal. According to the present invention, by providing a lot of exercise-related information conveniently and easily, you can more easily understand their own movement, check the presence or absence of heart disease, monitor hyperactivity disorder and sleep disorder monitoring of ch
