The invention discloses an anise-and-patchouli compound antiviral cold capsule and a preparation method thereof. Anise, patchouli, and thyme are used as monarch medicines, and supplemented with skullcap, honeysuckle, forsythia, licorice, folium Banlangen, almond, ephedra, bupleurum, tangerine peel, mulberry leaf, windproof, and fresh chrysanthemum root are 13 traditional Chinese medicine raw materials. The active ingredients are extracted by CO2 supercritical, which has high extraction rate, no damage to the active ingredients of traditional Chinese medicine, no organic solvent residue and advanced technology. The advantages of simplicity; the capsule seals the strong and peculiar smell of traditional Chinese medicines such as anise, and solves the problem that such traditional Chinese medicines are difficult to swallow; the invention strengthens the anti-influenza virus, anti-inflammatory and antipyretic effects, improves immunity, and can be cured quickly And significantly improve the symptoms of headache, fever, cough, sore throat, body pain and fatigue, nasal congestion and runny nose caused by viral influenza, without side effects.