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WBAN technology improves the efficiency of the activities from patient to doctor, like monitoring the patient’s health regularly and notifications or emergency calling in a flexible way. It offers automatic medical services through remote monitoring of the patient’s vital parameters. All the information is stored from the control unit. It helps the patient to stay at home and get continuous support remotely. In case of any emergency, the sensors implanted in the patient’s body raises the alarm of urgent notification, which will be notified by nearby healthcare provides healthcare services over a distance with the help of communication technology. This can be done by online video consultation with doctors, the transmission of reports and images, and remote medical diagnosis. E-prescription is provided after monitoring the patient’s health conditions. Pulse oximeters are used to measure the amount of oxygen level in the blood bypassing the beam of red and infrared into the human body. Color differentiation is the fundamental concept of oximeters; oxygenated blood is more red, where deoxygenated is purple-blue.