Disclosed by the embodiments of the present application are a wireless communication method, a terminal device and a network device, the method comprising: a terminal device receives a first bit map sent by a network device, the first bit map being used for indicating time-domain resources allocated by the network device to the terminal device in a first frequency-domain resource unit; and the terminal device carries out data transmission with the network device on the time-domain resources indicated by the first bit map. The method, terminal device and network device according to the embodiments of the present application may improve the flexibility of time domain scheduling.