The present disclosure provides a novel biphenyl derivative compound, an optical isomer thereof or a pharmaceutically acceptable salt thereof. The biphenyl derivative compound, optical isomer thereof or pharmaceutically acceptable salt thereof according to the present disclosure may induce cancer cell death by damaging mitochondria and inducing ATP depletion in cells which are in a nutrient-starved state such as a glucose-starved state, which is the normal environment of cancer cells. In addition, it is an Nm23-H1/NDPK activity-increasing substance that may suppress cancer metastasis and growth. Thus, it exhibits excellent effects not only on the prevention, alleviation and treatment of cancer, but also on the suppression of cancer metastasis.