Dicyandiamide is mainly used in the synthesis of intermediates in medicine, pesticides and dyes. It can also be used to make guanidine nitrate, dyeing and dyeing fixing agent, decolorizing flocculant, adhesive, nitrogen sustained-release agent in fertilizer, nitrocellulose stabilizer, hardener, descaling agent, vulcanization accelerator, resin synthesis, flame retardant, etc.