A measurement method performed by a user-side device, comprising: acquiring, by the user-side device, non-connected state measurement configuration information (S102, S304, S404, S504, S604, S704) in a non-connected state; performing, by the user-side device, a non-connected state measurement according to the non-connected state measurement configuration information in the non-connected state, characterized in that, prior to the acquiring, by the user-side device, the non-connected state measurement configuration information (S102, S304, S404, S504, S604, S704), the method further comprises: receiving, by the user-side device in a connected state, non-connected state measurement indication information sent by a network-side device (S302, S402, S502, S602, S702, S802); wherein the performing by the user-side device the non-connected state measurement according to the non-connected state measurement configuration information in the non-connected state comprises: determining, by the user-side device in the non-connected state, that the non-connected state measurement indication information instructs the user-side device to perform the non-connected state measurement; and performing, by the user-side device in the non-connected state, the non-connected state measurement according to the non-connected state measurement configuration information. acquiring, by the user-side device, non-connected state measurement configuration information (S102, S304, S404, S504, S604, S704) in a non-connected state; performing, by the user-side device, a non-connected state measurement according to the non-connected state measurement configuration information in the non-connected state, characterized in that, prior to the acquiring, by the user-side device, the non-connected state measurement configuration information (S102, S304, S404, S504, S604, S704), the method further comprises: receiving, by the user-side device in a connected state, non-connected state measurement indication information sent by a network-side device (S302, S402, S502, S602, S702, S802); wherein the performing by the user-side device the non-connected state measurement according to the non-connected state measurement configuration information in the non-connected state comprises: determining, by the user-side device in the non-connected state, that the non-connected state measurement indication information instructs the user-side device to perform the non-connected state measurement; and performing, by the user-side device in the non-connected state, the non-connected state measurement according to the non-connected state measurement configuration information. receiving, by the user-side device in a connected state, non-connected state measurement indication information sent by a network-side device (S302, S402, S502, S602, S702, S802); wherein the performing by the user-side device the non-connected state measurement according to the non-connected state measurement configuration information in the non-connected state comprises: determining, by the user-side device in the non-connected state, that the non-connected state measurement indication information instructs the user-side device to perform the non-connected state measurement; and performing, by the user-side device in the non-connected state, the non-connected state measurement according to the non-connected state measurement configuration information.