A random access method for use in a communications network in which at least one first network device (102, 104, 106, 700) and at least one second network device (102, 104, 106, 700) may serve a user equipment (108, 110, 112, 114, 116, 118, 800), the method comprising: sending (301, 601), by the user equipment (108, 110, 112, 114, 116, 118, 800), a preamble sequence; receiving (303, 603), by the user equipment (108, 110, 112, 114, 116, 118, 800), a random access response from the at least one first network device (102, 104, 106, 700), wherein the random access response comprises information for sending a message 3; determining, by the user equipment (108, 110, 112, 114, 116, 118, 800) based on the information for sending the message 3, a beam for sending the message 3; and sending (305, 605), by the user equipment (108, 110, 112, 114, 116, 118, 800), the message 3 by using the determined beam at least to the at least one second network device (102, 104, 106, 700), wherein the at least one second network device (102, 104, 106, 700) is a network device that does not send the random access response; wherein the method is applied to a high frequency scenario; wherein the information for sending the message 3 comprises network device information and beam information that is used by a network device (102, 104, 106, 700) to receive the preamble sequence; and the determining, by the user equipment (108, 110, 112, 114, 116, 118, 800) based on the information for sending the message 3, the beam for sending the message 3 is specifically: determining, by the user equipment (108, 110, 112, 114, 116, 118, 800) based on the network device information and the beam information that is used by the network device (102, 104, 106, 700) to receive the preamble sequence, the beam for sending the message 3. sending (301, 601), by the user equipment (108, 110, 112, 114, 116, 118, 800), a preamble sequence; receiving (303, 603), by the user equipment (108, 110, 112, 114, 116, 118, 800), a random access response from the at least one first network device (102, 104, 106, 700), wherein the random access response comprises information for sending a message 3; determining, by the user equipment (108, 110, 112, 114, 116, 118, 800) based on the information for sending the message 3, a beam for sending the message 3; and sending (305, 605), by the user equipment (108, 110, 112, 114, 116, 118, 800), the message 3 by using the determined beam at least to the at least one second network device (102, 104, 106, 700), wherein the at least one second network device (102, 104, 106, 700) is a network device that does not send the random access response; wherein the method is applied to a high frequency scenario; wherein the information for sending the message 3 comprises network device information and beam information that is used by a network device (102, 104, 106, 700) to receive the preamble sequence; and the determining, by the user equipment (108, 110, 112, 114, 116, 118, 800) based on the information for sending the message 3, the beam for sending the message 3 is specifically: determining, by the user equipment (108, 110, 112, 114, 116, 118, 800) based on the network device information and the beam information that is used by the network device (102, 104, 106, 700) to receive the preamble sequence, the beam for sending the message 3.