Photo Dynamic Therapy (PDT) is a modern-day and non-invasive shape of therapy, used within the treatment of nononcological diseases as well as cancers of numerous sorts and locations. It is primarily based on the local or systemic application of a photosensitive compound. The photosensitizer, which is accumulated in pathological tissues. The photosensitizer molecules absorb the light of the precise wavelength, beginning the activation processes main to the selective destruction of the irrelevant cells. The photocytotoxic reactions occur simplest within the pathological tissues, within the vicinity of photosensitizer distribution, allowing selective destruction. Over the last decade, enormous acceleration inside the improvement of nanotechnology has been observed. The aggregate of photosensitizers with nanomaterial can improve the photodynamic therapy efficiency and dispose of its side outcomes as well. The use of nanoparticles enables fulfillment a targeted technique which is targeted on specific receptors, and, as a result, will increase the selectivity of the photodynamic remedy. The item of this evaluate is the anticancer utility of PDT, its advantages and possible adjustments.