A method for wireless communication, a terminal device, and a network device are provided. One example method includes sending, by a terminal device, first information to a first base station after the terminal device establishes a connection with the first base station, wherein the connection is established based on a first conditional handover requirement, the first base station is a first primary base station associated with the first conditional handover requirement, and the first information indicates one or more of: whether the terminal device accesses a secondary base station; cell information of a first secondary base station accessed by the terminal device in a case that the terminal device accesses the secondary base station; or the terminal device accessing the first secondary base station within a first duration in the case that the terminal device accesses the secondary base station.