The invention relates to a compound oral solution for relieving alcoholism and protecting the liver and a preparation method thereof, in particular to an anoectochilus formosanus compound oral solution for relieving alcoholism and protecting the liver and a preparation method thereof. The oral solution comprises the following components in proportion by weight: 50-65% of anoectochilus formosanus,5-10% of wild chrysanthemum flower, 4-10% of white peony root, 4-10% of dried rehmannia root, 5-10% of flower of kudzuvine, 5-10% of sealwort, 3-6% of glehnia root, 2-5% of southernwood, 2-6% of ebony and 1-3% of liquorice. The preparation method comprises the steps of extracting, mixing, concentrating, clarifying, correcting, roughly filtering, finely filtering, sealing, sterilizing and packing finished products. The compound oral solution has a pure traditional Chinese medicine combination, a scientific prescription and an advanced process, and the product has obvious functions of relievingalcoholism and protecting the liver, can obviously relieve headache, dizziness, sleepiness, asthenia, thirst, vomit, fantod and other symptoms caused by insobriety or drunkenness, has the health carepreventive functions of soothing the liver and strengthening the spleen, restoring consciousness and soothing the nerves, clearing away heat and toxic material, and invigorating qi and nourishing theblood, and also has the characteristics of good taste and flavor and taking convenience.