A resource management method performed by a network management device, the method comprising the steps of: • obtaining (step 401) a first service experience data set of a service, wherein each piece of first service experience data in the first service experience data set is used to indicate service quality of all users or a plurality of users in a network, wherein the service is executed by the users, and the service is run in the network; • obtaining (step 402) information about a first service quality requirement of the service; • determining (step 403) a second network data set of the network based on the first service experience data set, a first network data set of the network, and the information about the first service quality requirement, wherein each piece of second network data in the second network data set comprises network device information, wherein the network device information comprises at least one of the following information of a network device: ∘ information about a quantity of registered subscribers of the network device, ∘ information about a quantity of online users using the network device, ∘ resource information of the network device, the resource information of the network device being a central processing unit, CPU, resource, a storage resource, or a bandwidth resource, the CPU resource, the storage resource and the bandwidth resource each including either an already used resource or a remaining resource, and ∘ association identification information in the network device of a single user who executes the service, the association identification information being an identifier, ID, of a user equipment, UE, of the single user, and • adjusting (step 404) the network based on the second network data set to enable the service to satisfy the first service quality requirement of the service. • obtaining (step 401) a first service experience data set of a service, wherein each piece of first service experience data in the first service experience data set is used to indicate service quality of all users or a plurality of users in a network, wherein the service is executed by the users, and the service is run in the network; • obtaining (step 402) information about a first service quality requirement of the service; • determining (step 403) a second network data set of the network based on the first service experience data set, a first network data set of the network, and the information about the first service quality requirement, wherein each piece of second network data in the second network data set comprises network device information, wherein the network device information comprises at least one of the following information of a network device: ∘ information about a quantity of registered subscribers of the network device, ∘ information about a quantity of online users using the network device, ∘ resource information of the network device, the resource information of the network device being a central processing unit, CPU, resource, a storage resource, or a bandwidth resource, the CPU resource, the storage resource and the bandwidth resource each including either an already used resource or a remaining resource, and ∘ association identification information in the network device of a single user who executes the service, the association identification information being an identifier, ID, of a user equipment, UE, of the single user, and ∘ information about a quantity of registered subscribers of the network device, ∘ information about a quantity of online users using the network device, ∘ resource information of the network device, the resource information of the network device being a central processing unit, CPU, resource, a storage resource, or a bandwidth resource, the CPU resource, the storage resource and the bandwidth resource each including either an already used resource or a remaining resource, and ∘ association identification information in the network device of a single user who executes the service, the association identification information being an identifier, ID, of a user equipment, UE, of the single user, and • adjusting (step 404) the network based on the second network data set to enable the service to satisfy the first service quality requirement of the service.