Provided is a rotary rod for 3D biological printing. The rotary rod, arranged horizontally and driven to rotate, has a hollow structure and is provided with at least one hole on a surface thereof. During a 3D biological printing process, a nutrient solution passes through the hollow structure and a portion of the nutrient solution seeps through the at least one hole. Also provided are a 3D biological printing platform comprising the above rotary rod and the nutrition feeding system to supply nutrition, and method for using the biological printing platform to print a tubular tissue. The present invention reduces the possibility of tissue collapse caused by gravity, provides a new method for printing a tubular tissue via the 3D biological printing and supplying nutrition in a printing process, and thus has a large scope of application.
