Abstract: An instant information exchange system and method for online sports teams is to include a cloud server having a sports information exchange platform connected with electronic devices via Internet to perform information exchange. The system accepts a user to create sports teams in the sports information exchange platform via the electronic devices and customize sports events and rules to provide a competition mode for the members to perform competition event with teamwork mechanism. The system will receive a physiological value transmitted by the electronic device to be a score as reference. The sports team created by the user can achieve a goal through teamwork and team competition at different time and different locations. The user's sports team can reduce the invitation and waiting time when different sports teams are performing the competition to achieve the exercise purpose and the exercise efficiency.