The invention provides a formaldehyde-free adhesive for furniture. The formaldehyde-free adhesive for the furniture is prepared from the following main raw materials including corn starch, amylase, guar gum, diatomite, bamboo fibers, beta-cyclodextrin and water and is harmless to a human body without containing formaldehyde. By adding the bamboo fibers and the beta-cyclodextrin, the action of strengthening the strength of the adhesive is realized, and the bamboo fibers also have certain actions of bacterium resistance, bacterium inhibition and insect prevention, so that the prepared furniture has certain effects of enzyme prevention and mothproofing.