The invention discloses a beer-flavored taste nutritional healthcare chicken fillet and a preparation method thereof. The beer-flavored nutritional healthcare chicken is prepared by the following raw materials in parts by weight: 300-310 parts of chicken breast meat, 10-15 parts of table salt, 10-15 parts of star aniseed powder, 20-25 parts of grounded cumin seed, 10-12 parts of a smoked fish, 15-18 parts of beer, 7-8 parts of chopped spinach, 6-7 parts of winter peach powder, 3-4 parts of chili pepper, 15-17 parts of grenadine juice, 4-6 parts of unpeeled apple powder, 5-7 parts of kelp lyophilized powder, 7-9 parts of chive, 6-7 parts of mulberry pulp, 40-50 parts of camellia oil, 1-2 parts of a burdock root, 0.5-1 part of a pumpkin leaf, 1-2 parts of poria cocos, 1-1.5 parts of folium cortex eucommiae, 1-2 parts of gorgon fruit, a proper amount of water and 40-50 parts of a nutritional auxiliary. The beer-flavored nutritional healthcare chicken fillet and the preparation method thereof have the advantages that as the beer is used for flavoring in the processing process, the beer-flavored taste nutritional healthcare chicken fillet is rich, full and unique as well as smooth, crisp and tender in mouth feeling and complete in color, flavor and taste, promotes the appetite and has the efficacies of strengthening heart, strengthening stomach, inducing diuresis and the like are realized; added traditional Chinese medicines have the efficacies of inducing diuresis and excreting dampness, tonifying spleen, calming heart and the like.