Abstract: In East Asia,Japan and South Korea are the two most active countries in legislation for prevention of soil pollution.They have formulated soil pollution prevention laws and some other matching regulations one after another.A comparison study was done on legislations soil pollution prevention in the two countries from the angle of background,mode and main contents of the legislations and administrative institutions,etc.Their practices of legislation and their experience in law enforcement are valuable references for China in her legislation for soil pollution prevention.