A method and apparatus for determining slice information, a storage medium, and an electronic device. The method includes: receiving an initial packet; determining, from pre-configured templates, a target template matching the initial packet, wherein the target template contains a target format of target slice information of a target slice associated with the initial packet; generating a target packet based on the initial packet and the target template, wherein the target packet contains the target slice information in the target format; and sending the target packet to a receiving end to instruct the receiving end to execute following operations: parsing the target packet based on the target template, so as to determine the target slice information.