Improvement of method for preparing healthy qi strengthening, astragalus root and glossy privet fruit containing medicine

The present invention relates to the improved preparation process of preparing available medicine Zhenqi medicine for strengthening body's resistance. The technological process of preparing available medicine Zhenqi medicine includes the steps of: alcohol reflux extraction of coarse powder of astragalus root and privet fruit, decompression distillation of the extracted liquid to obtain alcohol extracted extractum, decocting the medicine dregs, filtering to obtain filtrate, concentration and drying, mixing with the alcohol extracted extractum, further decompression drying, and spray drying to obtain dry extractum powder. The improved technological process can obtain the effective component oleanolic acid and higher content of astrasgaloside A.