The invention discloses an environment-friendly bamboo wood adhesive and a bamboo wood dip-coating method. The environment-friendly bamboo wood adhesive comprises water, vegetable protein, a modifier, a cross-linking agent, a curing agent, a filler and an additive; the bamboo wood adhesive is prepared from the following components in parts by mass: 100 parts of water, 20-40 parts of vegetable protein, 0.1-5 parts of a modifier, 20-40 parts of a cross-linking agent, 2-20 parts of a curing agent, 1-5 parts of a filler and 3 parts of an additive; and according to the environment-friendly bamboo wood adhesive disclosed by the invention, the actions of picking, soaking, spreading and draining, splicing, glue scraping and the like are automatically completed on a wood bamboo board through a bamboo wood dip-coating device, so that the four side walls of the wood bamboo board can be uniformly and fully coated with the adhesive after the bottom surface of the wood bamboo board is soaked with the adhesive, through the glue scraping action, and the glue adhering to the edges, close to the four side walls of the wood bamboo board, of the top face of the wood bamboo board is automatically removed through the processes of blocking, shoveling, wiping and the like, so that the automation integration degree is achieved, and the production quality standard is unified.