Spirulina, a microcynobacterium is well known name world wide. Today, this alga is so popular for their unmatched valuable chemical composition specially higher protein percentage and its medicinal properties. But, now Spirulina is using in the process of Bioremediation to control pollution and contamination. In the present research work an attempt has been made to treat waste water by using Spirulina platnsis biologicaly and ecofriendly.