Network monitoring method and system

The invention provides a network monitoring method and a system, and the method is used for monitoring a basic performance index of a network before the development of daily business work, and comprises the following steps: setting a network parameter testing template according to a to-be-monitored network performance index; transmitting the network parameter test template to the probe equipment,and promoting the probe equipment to form a script according to the network parameter test template for automatic monitoring; receiving and storing the numerical value of the network performance indexsent by the probe equipment; judging whether the tested network is abnormal according to the received numerical values of the network performance index, and forming a performance index distribution situation map of the whole network; and meanwhile, according to the values of the network performance index received in the historical same period, generating a network performance index same-period change trend chart and creat