The head of "Tao Huabi" on the genuine bottle is clear, and the fake head is blurred or ghosted; The genuine' Laoganma' has a gradual transition from golden yellow to red, while the fake' Laoganma' has the same color or uneven transition. At the same time, the authenticity can be identified from the production date and batch number. The production date and batch number of the genuine product are uniform dot ink jet, and the fake logo characters are irregular. In addition, the genuine Chili sauce has the handwriting of "Laoganma" on the bottom after the anti-counterfeiting mark is uncovered, and the anti-counterfeiting code consisting of 16 numbers is on the back of the film (each bottle is different). If it is difficult to uncover the fake Chili sauce, there is no "Laoganma" on the back, and the 16 numbers on the back of the film are the same group of numbers (each bottle is the same)