Abstract: Disclosed is a smoke generator. The smoke generator comprises a shell, conductive columns, a heating resistance wire and cellucotton, wherein the conductive columns are connected with the heating resistance wire, and the cellucotton is in contact with the heating resistance wire; an accommodating cavity is formed in the shell, and the cellucotton is placed in the accommodating cavity; a liquid input port, a gas inlet and a smoke outlet are formed in the shell, and the liquid input port, the gas inlet and the smoke outlet communicate with the accommodating cavity. The smoke generator has the advantages of simple structure, compact matching, reasonable design and the like; and therefore, the smoke generator is a product with excellent technical performance and economical performance.