Color-changeable anti-counterfeiting cigarette

The utility model provides a color-changeable anti-counterfeiting cigarette which comprises cut tobacco, cigarette paper, tipping paper, forming paper and a filter tip rod, and a starch iodine complex layer is arranged on the surface of the filter tip rod or the tipping paper. The color-changeable anti-counterfeiting cigarette provided by the utility model can be subjected to specific color-changing reaction without special reagents and special instruments. When a consumer purchases a product marked with the anti-counterfeiting material, the authenticity of the purchased product can be identified on site within several seconds only by putting a little saliva or putting a cigarette into a mouth for smoking for several times. The color-changeable anti-counterfeiting cigarette is low in production cost, simple in process, high in technical content, good in specificity and not prone to counterfeiting, and printing anti-counterfeiting on auxiliary materials such as seal paper, tipping paper and filter tips of ciga