The main clinical symptoms of psoriasis on the feet are localized dry, itchy and flaky skin, and abnormal toenails, etc. The main clinical symptoms of psoriasis on the feet are localized dry, itchy and flaky skin, and abnormal toenails. Clinically, the specific type of psoriasis is mainly based on the symptoms of psoriasis and the examination results. 1. Localized dry skin: If psoriasis grows on the feet, there will be localized dry skin and silver-white thick scales. 2. Itchy: psoriasis on the feet leads to dry skin on the feet, so it triggers localized itchy skin manifestations. 3. Abnormal toenails: If psoriasis grows on the feet, it will easily lead to abnormal toenails after the onset of psoriasis, such as thickening of nails, cloudy nail plate, and pitting, which will cause the surface of toenails to be not smooth. After the diagnosis of psoriasis needs to be treated as soon as possible, so as not to further aggravate the condition, you can go to the dermatology department. Usually pay attention to keep the skin hygiene and clean, and add more vitamins and proteins as appropriate during the recovery process.