All the skin diseases in Ayurveda have been discussed under the broad heading of Kushta which is further divided into Mahakusta (7) and Kshudra Kusta(11). Kitibha Kusta is included under Kshudra Kusta which simulates with signs and symptoms of Psoriasis. Psoriasis is a proliferative autoimmune skin disease which is affecting 2% of worldwide population. It negatively impacts on patients quality of life. Psoriasis is chronic disorder which is commonly encountered in day today’s clinical practices. As it is relapsing in nature it requires treatment for long duration. This disease characterised by scaling, thickened-rough skin lesions, itching, in severe cases covers entire body. Modern medical science treats psoriasis with Psoralen and Ultraviolet therapy (PUVA). But the disease has high recurrence rate and the modern medications have serious side effects like liver failure, renal failure, and bone marrow depletion etc. Here, Ayurveda treatment is under taken to provide safe and effective remedy for psoriasis. In this case study, 41 years old male patient had come to OPD of Kayachikitsa with chief complaint of Kandu (itching), dry silvery white patches over both the both lower limbs, scalp, abdomen and back treated with Shodhana Chikitsa (Body purification). Thus, this paper highlights a case study of Kitibha Kusta (Plaque Psoriasis) treated with Ayurvedic principles.