The present invention provides an anticancer therapy adjuvant composition which contains Nepal Chiaya extract and increases the toxicity of a cytotoxic substance against cancer cells. The present invention also provides a method for screening a cervical cancer cell line, which comprises a first injection port for injecting a toxic substance having toxicity to a Nepal Chaya extract or a cervical cancer cell line, and a second injection port for injecting a buffer solution, And a plurality of closed culture spaces for culturing a cervical cancer cell line, each culture space comprising a lower layer formed to correspond to a different concentration gradient of the upper layer, the cervical cancer of Nepal Chiai extract The present invention provides a method for evaluating cytotoxicity of cervical cancer cell line of Nepal Chiya extract using a microhydrodynamic cell chip for evaluating toxicity to a cell line.;
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