Objective: Our aim was to investigate the sensitivity of anti cancer drugs in 4 gastric cancer cell lines. The anti cancer drugs included cisplatin(CDDP), doxorubicin(DXP), and etoposode (VP 16). Methods: The MTT{3 (4,5 dimethyl 2 thiazolyl) 2,5 diphenyl terazolium bromide}assay was used. Results: Among the cell lines in this study, gastric cancer cell line MKN1 had a higher sensitivity to CDDP, DXR, and VR 16 than MKH28, MKN45, MKN74. Conclusion: Some gastric cancer cells have intrinsical multi...