Immune enhancing and antiviral composition comprising extract of salvia miltiorrhiza bunge

The present invention relates to immunity enhancement and antiviral composition, and enhancing the immune animal and antiviral activity increasing method comprising the Salvia miltiorrhiza extract, administering to the animal requires a non-human immunity enhancement including the Salvia miltiorrhiza extract. Immune enhancing and anti-viral composition of the invention are anti-viral activity and represented an immune enhancing effect, bacteria and virus can be applied for the prevention and treatment of infectious disease, the patient's immune be degraded, or immune suppressing immunity and may be widely used, such as immunity enhancement and antiviral feed for which the medicament or dietary supplement, and wherein the enhancement of animal disease for control purposes. In addition, immunity enhancement and antiviral composition according to the present invention can be used safely even in long-term use as a preventive purpose, so little to cause toxicity or side effects.