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This invention relates to the field of communication technology, and in particular to an industry-specific SMS sending and verification method for preventing spam messages. The method includes: an operator providing a template application platform and dedicated accounts to enterprises holding fixed industry SMS access numbers; after logging in, enterprises submit SMS template applications with variable content annotations; upon approval, they receive a two-digit template number, which, along with the access number, template number, and annotated content, is stored in the industry SMS gateway's storage medium; the enterprise constructs a receiving request using the target mobile number as the receiving address, appending the two-digit template number, the variable content annotations, and the sending end using the access number; the gateway receives the request, intercepts key information, retrieves the corresponding template, removes both curly braces and internal characters, and compares the results; if they match, the SMS is sent; otherwise, it is rejected and a content mismatch message is returned. This invention achieves source control of spam messages and strengthens compliance to improve governance efficiency through template approval and storage, standardized request verification, interception of violations, and code-based log storage.