Both adult carpet beetles and larvae can infest your home, but the larvae do the most damage by eating organic materials like wool, leather, and silk. To know where to focus the brunt of your cleaning, first look for the primary source of the infestation, which will be the area with the most signs of damage and beetles. Check dark, secluded areas like basements and under carpets and rugs for signs such as:  Brown, bristly, shell-like shed skins from the larvae Brown fecal pellets, about the size of a grain of salt Adult beetles, which are oval-shaped, can come in a range of colors and are just larger than the head of a pin. They can fly and typically live outside, but will lay eggs indoors in dark, secluded areas. Larvae, which are slightly longer than adults, often with tufts of hair, although some varieties can be shiny and smooth. They can be brown, red, white, or striped. A thorough vacuuming is the best and quickest way to remove carpet beetles and larvae from your carpeting. Focus on the source and the most infested areas, but vacuum your whole home to make sure you remove all beetles. Throw away the bag right away after you finish vacuuming.  Continue vacuuming your home at least once a day for a week. Depending on how bad the infestation is, you may need to vacuum multiple times a day for the first few days. Vacuum any upholstered furniture or fabric-covered areas that can’t be put in the washing machine. Check the labels on your rugs to see how they should be cleaned, and hire a steam cleaner if necessary. If some pieces of clothing or fabric have been badly eaten away, toss them into an outdoor trash can. Keeping infested garments makes it more difficult to stop the infestation. Toss out the clothing even if you don’t see any carpet beetles or larvae left on the material. Put all your clothing, towels, blankets, linens, and other fabrics in the washing machine and wash them on a hot cycle with detergent. Carpet beetles, larvae, and eggs are very resilient, and hot, soapy water is the best way to...

TL;DR in Vietnamese:
Xác định nguồn xâm nhiễm. Hút bụi toàn bộ căn nhà để loại bỏ ấu trùng và bọ thảm. Vứt bỏ quần áo và đồ vải nhiễm bọ thảm. Giặt toàn bộ quần áo, cho dù có vẻ như chúng không bị nhiễm bọ thảm.