A Chinese herbal preparationSONGZHI PILL is prepared by drying Poria; pulverizing; sieving;mashing Fructus Amomi; extracting volatile oil; coating withBEATA-cyclodextrin; extracting Fructus Gardeniae and Radix SalviaeMiltiorrhizae with ethanol and collecting residues; mixing Poriaresidue, Radix Cudraniae, Cortex Lycii, Radix Pseudostellariae, andFlos Ilicis Asprellae; extracting with water and collectingresidues; mixing with above residues and Fructus Amomi; decocting;filtering; concentrating; making pill; and drying.

 Said product can induceinterferon. It has hepatic injury improving, immunologic functionenhancing, function of gallbladder promoting, blood viscositylowering, heat clearing away, dampness removing, toxic materialsclearing away, blood stasis removing, spleen invigorating, and qiinvigorating effects; and has therapeutical effects on symptomscaused by chronic hepatitis C such as chest pain and chestswelling, bitter taste, xerostomia, anorexia, tiredness, asthenia,hepatosplenomegaly, and dark color of tongue and yellow tonguefur.