Fuente: WIPO "hemp" A preparation method of a sisal hemp rope core of a steel wire rope comprises the following steps that sisal hemp silk threads are put into saline water to be soaked, then taken out and dewatered, the dewatered sisal hemp silk threads are put into a container and cooked in boiling water, the cooked sisal hemp silk threads are taken out and washed through a water gun, salt is removed, dewatering is conducted, then the sisal hemp silk threads are put into the container again, and the sisal hemp rope core of the steel wire rope is obtained. The method comprises the following steps: adding clean water containing a softener into a container, cooking at the temperature of 50-60 DEG C, cleaning, dehydrating and drying the cooked sisal silk threads, drawing the sisal silk threads and cotton threads by a drawing frame to prepare a sisal rope core, and putting the prepared sisal rope core into an oil tank for oil immersion. The surface of the sisal fiber is neat, internal pores are opened, the cotton thread stores a large amount of lubricating grease after being immersed in oil, and during use, the twisted sisal silk threads extrude the central strand of cotton thread, release the lubricating grease and uniformly lubricate the surface of the steel wire rope.