The invention relates to a hot drafting method for ultra-high molecular weight polyethylene strands. The prior art uses cold rolls or hot rolls singly, and has various problems. In the hot drafting method of the invention, the ultra-high molecular weight polyethylene strands are drafted by 2-5 levels of drafting for the total multiple of 10-60 times. The method of drafting of each level comprisesthe following steps: firstly, the ultra-high molecular weight polyethylene strands enter a hot box through a hot roll; after coming out of the hot box, the ultra-high molecular weight polyethylene strands enter the next level of drafting through a cold roll; and in all levels of drafting, the temperatures of the hot rolls and the hot boxes are gradually increased, and the drafting magnification of all levels of drafting is gradually reduced, wherein the temperature of the hot roll is 60-150 DEG C, the temperature of the hot box is 80-150 DEG C, and the temperature of the cold roll is 10-30 DEG C. The invention adopts a multilevel hot drafting method of using the hot roll before entering the hot box and using the cold roll after coming out of the hot box, is more favorable for stabilizing hot drafting and fixing a high oriented structure, improves the product quality, and obtains the ultra-high molecular weight polyethylene fiber with high strength and high module.