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We used the Nanshan lm telescope of Xinjiang Astronomical Observatory to investigate variable stars in the region of NGC 1245.We detected 55 variable stars in the field of view,42 of them are newly discovered:six binaries,22 pulsating stars,14 unclassified variables.We discussed the physical properties and classifications of the variable stars through their light curves.The cross-matching with the members catalog of NGC 1245 suggests that 10 variable stars are identified as probable cluster members,which including one EW type binary,eight δ Scuti stars,and an unknown type variable star.Since the difference of the members catalog of the cluster and the limitations of the instrument,there are some huge differences in the variable list of NGC 1245 compared with the previous work.