How To Get Rid Of Pimples And Black Spot On Face?

Hii, Dr..my skin is sooo sensitive n i have so many dark black spot from pimples n also my very small small pimples n they are always stay my face...whenever i take some mmedicine that few months m free from pimpls but it s not inough becouse after few months pumples are back again ..so sir how can i i ll solve my problems..???