The invention relates to an odor advertising material, and belongs to the technical field of advertising. The odor advertising material disclosed by the invention comprises: at least one of polyethylene glycol, hydroxymethyl cellulose and guar gum; product essence, polyethylene resin, a plasticizer and a foaming agent, wherein the product essence is essence of a to-be-advertised product. According to the odor advertising material disclosed by the invention, the essence of a great quantity of to-be-advertised products can be stored in sustained release particles so as to slowly release aroma and take an odor advertising effect. Moreover, the odor advertising material disclosed by the invention is simple in process and easy to popularize.