Method, device and system for triggering network slice verification and authorization

The invention discloses a method, a device and a system for triggering network slice verification and authorization, and relates to the field of wireless communication. The triggering method comprises the steps that a voucher updating request sent by a voucher providing server is received, and the voucher updating request carries an identifier of a network slice corresponding to a to-be-updated voucher; after a registration request of the terminal is received, the verification and authorization process of the network slice corresponding to the identifier is delayed and triggered; and triggering the verification and authorization process of the network slice corresponding to the identifier after receiving a terminal certificate successful update notification. The problem that network resources of operators and enterprise customers are wasted due to failure of network slice verification and authorization processes caused by lack of vouchers of the terminal can be reduced. 本公开公开了一种网络切片验证和授权的触发方法、装置和系统，涉及无线通信领域。该