A method for frequency measurement and a network device are provided. The method includes generating, by a first network device, indication information, where the indication information is used for indicating the terminal device to measure a first frequency at which a second network device is located, the first network device being a network device in a long term evolution (LTE) system, and the second network device being a network device in a new radio (NR) system; and transmitting, by the first network device, the indication information to the terminal device. In the implementations of the present disclosure, when needing the terminal device to measure the first frequency at which the second network device is located, the first network device transmits, to the terminal device, the indication information, which is used for indicating the terminal device to measure the first frequency.