Disclosed is a functional food composition, which is effective in relieving alcohol-induced hangover symptoms and improving liver function. The composition includes 6 18% by dry weight of Polygonati Rhizoma, 10 40% by dry weight of Astragalus membranaceus Bge., 5 15% by dry weight of Artemisiae Scopariae Herba, 10 30% by dry weight of White Hoelen, 5 25% by dry weight of Atractylodes rhizome white, 4 12% by dry weight of Rehmanniae Radix, 2 10% by dry weight of Mentha arvensis, 2 10% by dry weight of Curcuma longa, and 2 10% by dry weight of Puerariae Radix, based on the total dry weight of the composition. The composition, including herbal components known to have no side effects, is effective in relieving hangover symptoms and improving liver function by removing or neutralizing factors responsible for hangover symptoms, such as alcohol absorbed in the body or acetaldehyde, the oxidation product of alcohol.