Epigenetics refers to heritable and dynamic alterations in the whole genes which present in the sequence of nucleic acids. It consider as concurrent reaction with enzymes and several molecular ingredients. Epigenetic changes can cause the incorrect start of coding genes, allowing tumor development. Epigenetic modifiers are becoming potential targets in numerous malignant tumor therapies since they are sensitive to foreign drugs. Different epigenetic medicines that were lately refined and implicated in clinical experiences using of epigenetic medicines solitary or together with immunotherapy and chemotherapy has yielded promising outcomes, containing advanced anti-cancer impact, overcoming therapy resistant, and stimulation of the immune system defense.