[PROBLEM] To provide a communication management system dynamically forming a communication network between users based on user's health condition and living behaviors to support more active communication between the users relating to the health or life.[SOLVING MEANS] A computer system according to an embodiment is a communication management system configured to provide communication network information for users, and includes a storage apparatus configured to store for each of the users physiological information and/or living behavior information of the user, acquired dynamically in daily life, and a control apparatus configured to produce the communication network information being associated with other users to a first user based on the physiological information and/or living behavior information of the first user. The control apparatus is configured to produce the communication network information by using each of the dynamically acquired physiological information and/or living behavior information of the first user as a network formation element.
