Anticancer lichee lectone medicine and its prepn

The persent invention relates to anticancer lichee lectone medicine and its preparation. Lichee general lectone is first prepared by using lichee as raw material, then silica gel column chromatographically treated and petroleum ether-acetone eluted and finally prepared into emulsified anticancer medicine with total Arnonin-1 and Arnonin-2 content of 50-70 %. With rich active lichee lectone component, the said medicine has high anticancer activity and simple composition.