Disclosed are a method for performing network fault management in a cloud environment and a network fault management system. A method for performing network fault management in a cloud environment according to another exemplary embodiment of the present invention includes steps of measuring, by testing tools, the performance of a target server and transmitting a measurement result to a fault management unit, determining, by the fault management unit, a threshold and a policy for a target host based on the transmitted measurement result, generating, by the fault management unit, templated information including the determined threshold and policy, transmitting, by the fault management unit, the templated information to monitoring tools, and setting, by the monitoring tools, a monitoring policy of the target host based on the transmitted information.