This study investigated the feasibility of remediation of polycyclic aromatic hydrocarbon (PAH) contaminated soils using commercial soybean oil. It has been demonstrated that vegetable oil can be used as a nontoxic, inexpensive, and environmentally-friendly solvent to remove PAH from soils. The result showed that more than 72% PAH was removed from both low (50 mg kg-1) and high (200mg kg-1) PAH contaminated soils in 24 h. If double extraction was conducted, the desorption efficiency increased by 16% as compared to a single extraction. For the factor of soil particle size, the desorption efficiency in a fine-grain (less than # 200 mesh, 0.074 mm) soil was 93%, which is higher than that in large-grain soil (#140-200 mesh, 0.074-0.1 mm). The feasibility of soybean oil regeneration showed that more than 90% PAH was removed by activated carbon. It was estimated that 1 g activated carbon can adsorbed up to 6 mg of PAH from contaminated oil. Based on the results shown above, the vegetable oil had a great capability to remove PAH from soils, and the contaminated oil can be regenerated by activated carbon and reused to reduce cost of remediation.