A network service configuration method and a network management device, where the method includes obtaining, by a network management device, a terminal access port and an access parameter that is configured for the terminal access port and that is of a network service, determining a to-be-configured port according to the access parameter that is configured for the terminal access port and that is of the network service; generating a configuration instruction of the to-be-configured port, and sending the configuration instruction of the to-be-configured port to a to-be-configured network device. Hence, intervention from an administrator is not required, an error probability of network operation and maintenance may be reduced, efficiency of configuring a parameter of the network service is improved, and administrator time is saved.