A cell discovery method, comprising: a network node acquiring location information containing altitude information of a user equipment; and the network node sending measurement configuration related information to the user equipment according to the location information of the user equipment, and instructing the user equipment to execute a corresponding measurement according to the measurement configuration related information; characterized in that, the method further comprising, the network node determining that the user equipment has entered an indoor environment by means of: the network node receiving a current temperature value sent by the user equipment or indication information of whether the user equipment has entered the indoor environment determined according to the current temperature value and a preset rule; and according to the current temperature value sent by the user equipment or the indication information or horizontal location information of the user equipment, the network node deciding whether the user equipment has entered the indoor environment, and, after determining that the user equipment has entered the indoor environment, the network node indicating to the user equipment that the user equipment has entered the indoor environment through the RRC dedicated signaling, and, the network node triggering to execute horizontal positioning on the user equipment based on an event that the user equipment has entered the indoor environment. a network node acquiring location information containing altitude information of a user equipment; and the network node sending measurement configuration related information to the user equipment according to the location information of the user equipment, and instructing the user equipment to execute a corresponding measurement according to the measurement configuration related information; characterized in that, the method further comprising, the network node determining that the user equipment has entered an indoor environment by means of: the network node receiving a current temperature value sent by the user equipment or indication information of whether the user equipment has entered the indoor environment determined according to the current temperature value and a preset rule; and according to the current temperature value sent by the user equipment or the indication information or horizontal location information of the user equipment, the network node deciding whether the user equipment has entered the indoor environment, and, after determining that the user equipment has entered the indoor environment, the network node indicating to the user equipment that the user equipment has entered the indoor environment through the RRC dedicated signaling, and, the network node triggering to execute horizontal positioning on the user equipment based on an event that the user equipment has entered the indoor environment. the network node receiving a current temperature value sent by the user equipment or indication information of whether the user equipment has entered the indoor environment determined according to the current temperature value and a preset rule; and according to the current temperature value sent by the user equipment or the indication information or horizontal location information of the user equipment, the network node deciding whether the user equipment has entered the indoor environment, and, after determining that the user equipment has entered the indoor environment, the network node indicating to the user equipment that the user equipment has entered the indoor environment through the RRC dedicated signaling, and, the network node triggering to execute horizontal positioning on the user equipment based on an event that the user equipment has entered the indoor environment.