Method for dyeing woods by using natural plant

The invention discloses a method for dyeing woods by using a natural plant. The natural plant is adopted for replacing an artificial dye to dye the woods; according to differences of chemical compositions of effective components of the plant used in dyeing, the method is divided into a boiling dyeing method and a dipping method. With the adoption of the method provided by the invention, dye liquor can be extracted from the natural plant, so that the purpose of dyeing a wood veneer can be achieved; the method is safe, environment-friendly, non-toxic and innocuous; damage of the artificial dye to a human body can be reduced; a natural regenerative resource is adequately utilized; the method has a better biodegradability and an environmental compatibility; toxicity of dyeing wastewater can be greatly reduced, so that the method is beneficial to reducing sewage treatment load, protecting ecological environment and reducing the damage to the human body safety; and meanwhile, a natural plant dye has a certain health-care effect.