Abstract: The plants providing citrus fruits are rich in different types of volatile oils. The volatile oil so obtained is intended for different pharmacological activities. The essential oils from different parts like leaves, fruits and bark has been reported several time in different amount by using different extraction procedures. The volatile oils were evaluated for their pharmacological activities. On the basis of their reported pharmacological activities these essential oils are being used to manufacture several medicinal preparations. As several researches has been reported their findings on the volatile oils from such plants for different purposes so such researches are extremely needed to be brought in knowledge of every concern researchers. The present study is therefore focused on the literature review on such researches on volatile oil extraction procedures, reported chemical constituents and pharmacological properties.