The invention relates to a rubber poly V-belt with safe polycyclic aromatic hydrocarbon content, which comprises the following components: chloroprene rubber, nitrile rubber, reinforcing agent, anti-aging agent, accelerating agent, zinc oxide, magnesium oxide, stearic acid, processing oil and the like. The rubber poly V-belt is prepared by the following steps: firstly, forming a belt colloid by arubber plasticating and mixing process; secondly, calendering the belt colloid into flakes; and performing the steps of molding, sulfurization, demoulding, wedge grinding, cutting, checking and the like to obtain the rubber poly V-belt, wherein the polycyclic aromatic hydrocarbon (PAHs) content refers to a ZEK 01-08 standard and is analyzed and detected by adopting a GC-MS method, and the result is 5.8 ppm which proves that the rubber poly V-belt is completely in accordance with UE environmental protection requirements and is environmentally-friendly. The preparation process of the rubber poly V-belt is simple and is convenient to maintain and replace. Thus, the rubber poly V-belt is expected to be widely applied to the aspects of automobiles, chemical fibers, textile machinery, cigarettemachines, paper making, printing machines, the chemical industry, the light industry, grains, foods, mechanisms, mining, metallurgy, steel machinery, office equipment, medical devices, communications equipment and various precision machine tools, precision instruments and the like.