In order to explore the material basis of the ALK compound for antileukemia, the purified polarity ginsenoside monomers of F4, Rh4, and Rk3 were isolated from ALK, and the results showed that F4 significantly inhibited the proliferation, and also induced the differentiation of K562 and SHI-1 leukemia cells [10]. This evidence concerns the gene ALK and leukemia.