: See if the last digit of the three anti-counterfeiting marks is the same; See if the small box of trademark paper has cut corners and needle holes; See if there is expanded tobacco in the tobacco; Characteristics of smelling incense and evaluating smoking. Packing: The transparent paper of the boxes in taishan smoke is glued on the back, which is flat, straight and even, with a width of about 7mm, smooth to the touch, and no stay wires. The taishan smoke carton of the true soft box is glued on the side, which is a three-point glue seal, using brown hot melt, the distance between two points is about 1mm, and the two ends are glued at four points. The anti-counterfeiting mark of the real soft box taishan smoke strip box is on the inner side of the transparent paper in the upper right corner of the strip box, and it appears purple blue under the ultraviolet light. Its anti-counterfeiting mark consists of Yizhong pattern, two letters and ten digits. The two letters TS are the Chinese phonetic prefix of "Taishan" and the last ten digits represent the production date, team and car number respectively. Box packaging: really soft box taishan smoke's small box of transparent paper is bright; And taishan smoke, the fake soft box, is stuck. The taishan smoke of the real soft box is glued and sealed on the side, and it is flat, straight and even. The anti-counterfeiting mark of the real soft box taishan smoke is on the inner side of the transparent paper under the "Qingdao Cigarette Factory", which is arranged in a row without any pattern, and the other contents are the same as those of the box. True soft box taishan smoke's small box has a letter cable, and the cable head is semi-circular, which is pulled clockwise. Fourth, there is a letter and a two-digit steel seal in the middle of the taishan smoke aluminum paper of the real soft box, and the last digit is the same as the last digit of the anti-counterfeiting mark of the small box and the strip box. True soft box taishan smoke small box trademark paper has needle holes at the bottom, cut at 3 degrees. True Soft Box taishan smoke's small aluminum paper is folded up and down in different ways. The upper part is folded first and then folded, and the lower part is folded first and then folded. Cigarettes: The appearance quality of the soft box taishan smoke is good. The cigarettes in the box are arranged in the order of 7, 6 and 7, and the cigarettes have three-digit trumpet, indicating the class number, workshop number and car number respectively. Cut tobacco: taishan smoke cut tobacco in a soft box, which consists of cut tobacco, expanded cut tobacco and cut stems. Taishan smoke's cut tobacco is orange in color, shiny and oily. The color and luster of the fake soft box taishan smoke are poor. The expanded cut tobacco of taishan smoke in soft box adopts carbon dioxide dry ice expansion method, the quantity ratio is 5%-8%, the cut tobacco is poured into acetone solution, and the expanded cut tobacco floats. Evaluation and smoking: The smell of taishan smoke in the soft box is stronger than that of Yunnan cigarette essence, with full and harmonious aroma, comfortable taste, little irritation, clean aftertaste and moderate strength. While the fake soft box taishan smoke has poor aroma, great stimulation and unclean aftertaste.