The anti-senility effects of Kuangquan 851 Oral Liquor type R and type Y were studied and compared with Qing Chun Bao Oral Liquor as control in 303 subjects of geratic period or presenium with senile syndromes of Kidney or Spleen Deficiency. The results indicated that both type R and Y could improve the Kidney and Spleen Deficiency. The effective rates of type R and Y were 96.6% and 92.3% respectively and were much better than that of the control group. The laboratory findings before and after treatment revealed that effects of Kuangquan 851 Oral Liquor were as follows: increasing antioxidation and clearing away free-radicals; promoting collagen metabolism; enhancing the function of T lymphocytes; improving pulmonary, cardiovasular, brain function; raising male serum testosterone and estradiol levels. The two types were similar in effect.