Abstract: Pelts unhaired with Na₂S were limed by using 0%-6% lime and 0.8% NaOH to investigate the effect of lime dosage on the anti-slip performance of pelt surface, the dispersion degree of hide collagen fibers, and the pollution loads of wastewater. Results showed that the lime formed uniform and granular coating on the pelt surface due to its low solubility, thereby endowing the pelt with excellent anti-slip performance that is convenient for workers to grab and split limed pelts. When the dosage of lime was more than 3%, the anti-skid performance of pelt surface was markedly improved. The dispersion degree of hide fibers and the concentrations of total organic carbon, total nitrogen and total dissolved solids in liming effluent by using 3% lime were similar to those of control group by using 0.8% NaOH. These results indicate that low-lime liming is a clean and practical liming method.