The invention discloses a code generation method and device. The code generation method comprises the steps that codes in source files are analyzed to obtain original data structures defined in the source files and used in a shared memory; basic data types included in the original data structures are determined, distributors corresponding to the basic data types in an inter-promoted-process communication library are declared, and corresponding another distributor names are generated; based on the another distributor names, target data structures corresponding to the corresponding original data structures are generated; it is determined that the distributors corresponding to the target data structures are defined to have the corresponding another distributor names; the another distributor names corresponding to the target data structures and corresponding inter-promoted-process communication library structures are output to codes in target files. By the adoption of the method, a data structure for data access can be created in the shared memory in a simple and efficient mode.