Look at the transparent cigarette paper. The surface of genuine and famous cigarettes has good gloss. It feels smooth to the touch; the seal is mechanically heat-sealed; the fake transparent paper packaging is uneven, and its transparency and smoothness are far inferior to the genuine product. It feels sticky and the seal is mostly glued. Look at the trademark. The genuine famous brand has the same pattern and handwriting. Clear. The printing of fake cigarette patterns is rough, the colors are different, the handwriting is unclear, and some have Chinese pinyin, English errors and omissions, and inaccurate printing and color registration. Look at the anti-counterfeiting logo. At present, the anti-counterfeiting technologies used more frequently in famous cigarettes include laser holographic anti-counterfeiting and discoloration. Ink anti-counterfeiting, etc. Laser holographic anti-counterfeiting is mainly used for high-end cigarettes. It swings under natural light and can clearly display different patterns when viewed from different angles. The patterns are clearly separated. The color-changing ink is invisible under fluorescent lamps. It will appear silvery white under purple light. Or red pattern. The pattern is clear and delicate. The opposite is true for fake ones. Look at the sealing flower. The sealing flower of genuine famous and high-quality soft box cigarettes is usually printed with the same production name as the box, and the width is the same. The joint is two thin glue marks. It is easy to open without breaking. The sealing flowers and strips of fake cigarettes. The production name on the box is inconsistent, the width is different, and the flower seal is fixed with glue or other adhesives. It is difficult to open and look at the cigarettes. The filters of genuine famous and high-quality cigarettes are neatly cut, the cigarettes are rolled with even thickness, the surface of the cigarette is clean, and the fit is There is no smoke in the mouth. Generally, a box of cigarettes has the direction of the splice. Fake cigarettes have the opposite direction. 6. Look at the splice. The splice of genuine famous and high-quality cigarettes is full, while the splice of airtight fake cigarettes is generally looser. Easy to leak. Look at the shredded tobacco. The genuine famous and high-quality shredded tobacco has few stems and has been expanded, making the shredded tobacco oily and shiny. There are many thick stems in the fake shredded tobacco, and even mixtures and dyeing are added to the shredded tobacco. The shredded tobacco is dull and dull. There are more glossy cigarette ends or stems. Smell the smell. Genuine famous cigarettes have a unique natural fragrance of tobacco. Fake cigarettes have too much spices or use inferior flavors, which have an unpleasant flavor smell or a strong smell of raw tobacco. Heavy odor. When smoked, authentic famous cigarettes have a pure aroma and pleasant aftertaste when smoked. They do not automatically extinguish after being ignited. The ash is gray-white and difficult to scatter. Fake cigarettes are generally not fermented and have a pungent throat feel and unpleasant aftertaste. They are extinguished after being lit. , the soot is gray-black and easy to fall off.