A method for providing information about a height of a user equipment is disclosed. In an embodiment the method includes receiving, by user equipment, a first height requirement message sent by a network side device, wherein the first height requirement message is used to obtain a height information of a position in which the user equipment is located, listening, by the user equipment, to a broadcast message of an access node, wherein the broadcast message includes a node identifier of the access node and a receive power information of the access node received by the user equipment, and sending, by the user equipment, a response message to the network side device, wherein the response message includes the node identifier of the access node of the user equipment and the receive power information of the user equipment.