Abstract: A pet health management system comprising: a wearable sensing device, a mobile carrier, and a remote server. The wearable sensing device acquires environmental and physiological information of a pet and transmits the information to the mobile carrier. The wearable sensing device includes a microwave receiver for acquiring the physiological information. The remote server stores owner information and pet physiological information, receives the physiological and environmental information from the mobile carrier, updates the pet physiological information based on the physiological and environmental information, and generates and returns a pet status to the mobile carrier.