Disclosed are a network slice selection method, a related device and a computer storage medium. The method comprises: acquiring hardware information of a terminal device, wherein at least one piece of network slice information is saved in the terminal device; determining current service flow feature information of the terminal device; determining target network slice information in the at least one piece of network slice information according to the current service flow feature information and the hardware information; and connecting a service corresponding to the current service flow to a target network slice according to the target network slice information. In the embodiments of the present application, a terminal device selects, according to hardware information and current service flow feature information, target network slice information from at least one piece of network slice information saved in the terminal device, such that the terminal device can dynamically select, according to the hardware information of the terminal device itself and service flow feature information corresponding to different services, a network slice which needs to be accessed, thereby satisfying diversified requirements of the terminal device for a network slice.
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