An apparatus for controlling health care in a health care system is provided. The apparatus for controlling health care in a health care system includes a communication unit configured to transmit and/or receive a sensed biological signal, a determination unit configured to determine whether the health care system comprises, in addition to a first gateway through which the sensed biological signal is transmitted and/or received, at least one second gateway through which the sensed biological signal can be transmitted and/or received, and determine which gateway the sensed biological signal is to be transmitted and/or received through in response to the health care system comprising the second gateway, and a communication control unit configured to control a transmitting and/or receiving function of each gateway according to a result of the determining.