Oral psoriasis is caused by the abnormal distribution and misalignment of sebaceous glands in soft tissues, generally occurring on the mucosal surface of the lips or cheeks, manifesting as scattered clusters or clusters of rice-sized yellowish or yellowish-white papules on the mucosa, generally with smooth surface, soft texture and no obvious discomfort, some patients have more pronounced psoriasis and larger areas of distributed papules. If mucosal infection occurs when the surface of the particles is rough and swollen, causing pain and other discomfort, you can locally spray Jin Throat Jian, rehabilitation of new liquid, tin type dispersion, etc., you can also apply iodine glycerin to promote healing and restore normal.