The invention relates to a compound amino acid health product, and belongs to the field of health-care food. The compound amino acid health product is prepared from the following raw materials in parts by weight: 2.5-3 parts of L-alanine, 4.5-5 parts of L-glutamic acid, 10 parts of fructose, 15-20 parts of oligoisomaltose, 0.002-0.003 part of vitamin C, 0.0006-0.0008 part of vitamin B1, 0.0002-0.0004 part of vitamin B2, 0.0003-0.0004 part of vitamin B6, 0.0001 part of vitamin B12 and 8-10 parts of alpha-linolenic acid. The invention also provides a preparation method of the compound amino acidhealth product. The compound amino acid health product has a scientific formula and obvious mutual synergistic effects among the components, and has the effects of improving the immunity of human bodies, reducing blood fat, preventing cardiovascular and cerebrovascular diseases, relieving fatigue, enhancing physical strength, protecting eyesight, benefiting intelligence, delaying senescence, dispelling the effects of alcohol and protecting liver, and the like.