A composition for inducing lipolysis includes phosphatidylcholine and a preparation method therefor. More particularly, the composition for inducing lipolysis may include 2-12% (w/v) of phosphatidylcholine, 5-12% (w/v) of an oily solvent, and a balance of water; and a preparation method thereof. The composition may include phosphatidylcholine, an oily solvent, and water to induce lipolysis without causing such adverse side effects as edema, erythema, tissue necrosis, and inflammation.