Psoriasis dermatoscopic manifestations vary in different stages. However, the internal generalization includes punctate blood vessels, white scales, and hyperpigmentation. Clinical manifestations of psoriasis have generalized erythema, papules, scales, accompanied by itching, pain, characteristic signs of punctate hemorrhage, film phenomenon. It can be divided into progressive, quiescent, and remission stages. In the progressive stage of psoriasis, the background of the field of vision is mainly bright red, and the blood vessels can be seen in the form of dots, globules, rings, or hairpin-shaped vessels, and the surface is covered with silvery-white scales. In the quiescent stage, the microscopic color becomes lighter and pinkish, and obvious blood vessels can still be seen, and flaky silvery-white scales can be seen. In the waning phase, the number of punctate blood vessels in the microscopic field of view is significantly reduced, and obvious hyperpigmentation can be seen, with a few white scales. If you have psoriasis, seek immediate medical attention.