The present invention discloses a copper glycyl-histidyl-lysine repair essence and a preparation method thereof. The copper glycyl-histidyl-lysine repair essence is characterized by consisting of thefollowing components in parts by weight: 70-75 parts of water, 4-6 parts of 1,3-propylene glycol, 2-4 parts of butanediol, 2-4 parts of a lactic acid bacteria fermentation lysis mixture, 2-3 parts ofan oat kernel extraction mixture, 2-3 parts of a brown algae extraction mixture, 2-3 parts of glycerin, 1-2 parts of a hydrolyzed soy protein mixture, 0.5-1.2 parts of a syzygium luehmannii fruit extract mixture, 0.6-1 part of a mulberry root extract mixture, 0.4-0.7 part of hyaluronic acid, 0.4-0.7 part of 1,2-hexanediol, 0.4-0.7 part of allantoin, 0.3-0.5 part of a centella asiatica extract, 0.3-0.5 part of p-hydroxyacetophenone, 0.3-0.5 part of a lotus flower extract mixture, 0.3-0.5 part of lactic acid, 0.1-0.2 part of copper glycyl-histidyl-lysine, 0.05-0.12 part of sunflower seeds, 0.05-0.12 part of hydrolyzed sclerotium gum, 0.05-0.12 part of sodium gluconate, 0.05-0.12 part of an achillea millefolium extract mixture, 0.04-0.06 part of glycyrrhiza glabra, 0.04-0.06 part of acetyl hexapeptide-8, 0.04-0.06 part of ascorbic acid, 0.02-0.04 part of a kappaphycus alvarezii extract, 0.005-0.011 part of a reed extract mixture, 0.005-0.011 part of a poria cocos extract mixture, 0.005-0.011 part of pentapeptide-3 and 0.005-0.011 part of disodium EDTA.