Fecha de publicación: 30/08/2018 Fuente: Wipo "IOT" Embodiments of the present invention provide a method for accessing an internet-of-things platform, the internet-of-things platform, and an internet-of-things device. The method comprises: an IoT device sends a first access request message to an IoT gateway, the first access request message comprising indication information; the IoT device receives, through the IoT gateway, a new-device access permission message sent by an IoT platform, the new-device access permission message comprising a device identifier and encrypted information that is formed after first access authentication information is encrypted; the IoT device determines the device identifier and the first access authentication information according to the new-device access permission message; and the IoT device reports data to the IoT gateway according to the device identifier. In the method provided in an embodiment of the present invention, when the IoT device accesses the IoT platform through the IoT gateway, authentication information for accessing the IoT platform by the IoT device can be obtained, and the reliability of a network can be effectively improved.