Psoriasis affects from age group of 11 to 60. This is autoimmune diseases. Psoriasis affects mainly the skin and nails, but in six per cent of cases it is accompanied by inflammation of joints, affecting mainly fingers, toes and the spine and is called psoriatic arthritis. In about 78% cases this problem due to stress. These conditions can be triggers as per the management of stress, emotions and fillings of patient. Based on the type of psoriasis, its location, extent and severity there are various treatment regimens available for psoriasis such as topical agents, phototherapy, systemic agents, and homeopathic approach which can help to control the symptoms. This review aims to cover each and every aspect of the disorder Psoriasis and details of particularly plaque psoriasis as about 80% of people who develop psoriasis have plaque psoriasis.