[PROBLEM] To provide a novel method for suppressing heat discoloration of lecithin and a novel lecithin or lecithin preparation having resistance to heat discoloration. [SOLUTION] A method for suppressing heat discoloration of lecithin, comprising adding a fatty acid metal salt to lecithin, and a lecithin or lecithin preparation having resistance to heat discoloration and containing a fatty acid metal salt. Preferably, the metal constituting the fatty acid metal salt is at least one selected from the group consisting of lithium, beryllium, sodium, magnesium, aluminum, potassium, calcium, iron, cobalt, nickel, copper, zinc, silver, barium, thallium, and lead, and the fatty acid of the fatty acid metal salt is at least one selected from saturated fatty acids and unsaturated fatty acids having 3 to 36 carbon atoms.
