A signal transmission method, a device, a terminal, and a network device are provided. The method includes: receiving at least two sets of first indication information sent by a network device, wherein each set of first indication information is used to indicate at least one first signal resource; sending a first signal according to indication of the at least two sets of first indication information; wherein, the first signal includes multiple layers, each of the layers of the first signal has corresponding relationship with one set of first indication information.