A method efficiently produces a compound containing an N-acyl-amino group by an enzymatic method. Specifically, a method of producing a compound containing an N-acyl-amino group includes producing the compound containing an N-acyl-amino group by reacting a compound containing an amino group with a compound containing a carboxyl group in the presence of an enzyme having an ability to bond a carboxyl group and an amino group in an ATP dependent manner to form an amide bond.