The invention discloses a printing method for bamboo fiber knitwear. The printing method comprises the steps that 1, metal wires or nylon wires are arranged in a crisscrossed mode on a metal frame or wooden frame to obtain a wire screen with an openwork structure, and then transparent liquid is applied to the wire screen, so that the surface of the wire screen is provided with a transparent film layer; 2, the bamboo fiber knitwear is placed under the wire screen, the transparent film, corresponding to the to-be-printed portion of the bamboo fiber knitwear, of the wire screen is removed, then printing paste is applied to the bamboo fiber knitwear through the wire screen, and the bamboo fiber knitwear is heated to obtain printed bamboo fiber knitwear. In this way, the printing method for the bamboo fiber knitwear has the advantages that operation is easy, it can be guaranteed that the portion without needing to be printed is not dyed by the paste, the printed bamboo fiber knitwear is good in air permeability, no influence is generated on the product quality, and the bamboo fiber knitwear still keeps the softness.