To provide a substance which does not need a worry of a side effect, even when continuously taken, and has an excellent phospholipase A2-inhibiting effect, and to provide a functional food, health food, cosmetic, medicine, quasi-drug or the like containing the substance.

This phospholipase A2 inhibitor is characterized by containing a lysophospholipid represented by the general formula (1) (R is a 10 to 30C saturated or unsaturated aliphatic acyl group; X is H or a polar group).