This report describes 71 studies related to the use of Radix Saposhnikoviae main blended prescription from Donguibogam. The following conclusion were reached through investigations on the prescriptions that use Radix Saposhnikoviae as a main ingredient. Prescriptions that Radix Saposhnikoviae was taken as a monarch drug are utilized for 20 therapeutic purposes, for example, eye disease, wind disease, head disease and Sang Han syndromes. In particular, 28.1% of prescriptions appear in the chapter of eye, and 25.3% of those appear in the chapter of head. Prescriptions that utilize Radix Saposhnikoviae as the main ingredient are used in the treatment of eye disease. paralysis and tetanus. Radix Saposhnikoviae is used in pathogenic factors such as wind. wind with cold. and used in pathology related to liver system. The dosage of Radix Saposhnikoviae in prescriptions is 7 li(about 0.26 gram) to 2.5 jeon(about 9.38 gram), however 1 jeon(about 3.75 gram) has been taken the most for clinical application. Bangpungtang is the most useful base prescription which use the Radix Saposhnikoviae as the main ingredient.