Bamboo is an evergreen plant. Raw bamboo has no formaldehyde, and the formaldehyde content of bamboo furniture is not high. In the production process of bamboo furniture, it is necessary to do moth prevention, disinfection and sterilization, as well as gluing process, so it is necessary to use adhesives, preservatives, mildew inhibitors and other substances, which all contain formaldehyde, so bamboo furniture must contain some formaldehyde.