Measure the size of the window and cut the film according to the size. It must be the right size. If you can't accurately grasp it, the size can be larger, but it must not be small; There are two ways to change the color of the car body, one is dry adhesion and the other is wet adhesion. Before pasting, you must choose different pasting methods according to different models. Dry sticking method is suitable for sticking motorcycles, cars or small areas. Before pasting, you need to clean the pasting position. In most cases, it can be cleaned with soapy water. When conditions permit, no fiber cloth, 50% alcohol or isopropanol, acetone, etc. Can be used. Alcohol and other liquids can only be pasted after evaporation. When pasting, first paste one end, fix it, then scrape it flat with a tool and uncover the paper at the same time. If the film is not very big, you can remove it all and stick it on. It should be noted that the film should not be attached to the ash particles, nor should it be accidentally adhered to them. Some bubbles may be generated after sticking the film. Wipe the film repeatedly with a clean cloth or blade until the bubbles disappear. The other method is wet sticking method, which is suitable for automobile sticking film or large area sticking film, and the operation needs two people to cooperate. The construction methods of replacing color film on automobile body are: 1, car washing, cleaning inside and outside the car, driving cleaning, etc. 2. Measure the size of the window and cut the glue according to the size. The size must be right. If you can't accurately grasp it, the size can be larger, but it must not be small; 3. Clean the window glass. This step is very important. Because if dirt remains on the glass, even a little bit will affect the quality of the film. Prepare two rubber brooms. Prepare a hard scraper and a soft scraper. (There are all kinds of accessories stores. Water the glass (put the washing powder into the water), first remove the obvious stains on the glass with a hard scraper, and then scrape off the water traces on the glass with a soft scraper. Repeat this for 3~4 times to completely remove water. Finally, spray water on the thoroughly cleaned glass window, close the window, leaving only the people with film in the car; 4. movies. Tear off the film, spray water evenly on the effective film surface, and put the removed plastic film aside. Stick the sprayed film surface on the automobile glass, with a distance of 5- 10mm, and fix it. When the film is slightly larger, cut off the excess film to avoid scratching the glass, and scrape off the water between the glass and the film with a soft scraper. In order not to damage the surface of the film, spray water on the surface of the pasted film, paste the peeled plastic film, scrape the film flat with a scraper, and finally remove the plastic film to complete the film pasting process; 5. Use deerskin to wipe away the residual watermark outside the window.