Patent ID: 8795742

Claim:
A method of preparing a Chinese traditional medicine composition for treatment of Avian Influenza comprising active ingredients and medical acceptable vectors, wherein said active ingredients consisting of the following raw materials: herba houttuyniae 9.3 wt. %-46.7 wt. %, caulis lonicerae japonicae 9.3 wt. %-37.3 wt. %, radix isatidis 4.7 wt. %-35.0 wt., male fern rhizome 2.3 wt. %-28.0 wt. %, radix et rhizoma sophorae tonkinensis 2.3 wt. %-23.3 wt. %, radix anaelicae dahuricae 2.3 wt. %-23.3 wt. %, rhizoma paridis 2.3 wt. %-23.3 wt. %, herba artemisiae annuae 2.3 wt. %-23.3 wt. %, rhizoma iridis tectoris 2.3 wt. %-23.3 wt. %, wherein the method comprises the steps of: 1) all raw materials are weighed; (2) the herba houttuyniae is boiled in water for 10˜40 minutes, and filtered, then the filtrate is concentrated to obtain a clear cream with a density of 1.05, and cooled; (3) the clear cream from step 2 is added with ethanol until the amount of ethanol is 50˜80%, allowed to sit for 24 hours and filtered, then ethanol is recovered from the filtrate and the filtrate is concentrated to obtain a clear cream with a density of 1.25; (4) other raw materials are boiled in water twice for 2 hours each time and filtered, then the filtrate is concentrated to a density of 1.20, filtered, and concentrated again to obtain a clear cream with a density of 1.10-1.25; (5) the clear cream from step 3 and step 4 are mixed, concentrated continuously to obtain a thick cream with a density of 1.26 or above, and added with accessory agents.