The present invention provides a method of enhanced treatment of spilled oil on water, land, and biological organism, which is able to clean the spilled oil efficiently, environmental-friendly and in a short time. The method comprises: contacting an oil spill area shrinking agent with spilled oil on an oil-spilled contaminated region or objects; wherein the oil spill area shrinking agent comprises a sulfosuccinate and a stabilizer without oil dissolving organic solvent, oil emulsifier, and organic fluorine or silicone surfactant. The method according to the present invention can be used to clean the land, water, and biological organism polluted by oil spill. It can also be used to recover spilled oil as resource and to reduce resulted environmental pollution.
