Lichen planus usually cannot be cured by itself, and patients should seek medical treatment for active treatment according to the condition. Tinea versicolor is a superficial infection caused by malassezia bacteria invading the cuticle of the skin, which mostly occurs in sebaceous gland-rich areas such as the face and neck, forehead, back of the shoulders, upper arms, armpits, etc. The patients may have symptoms such as gradual increase of dot-like spots or fusion of each other to form a piece, with occasional mild itching, etc. It is difficult to cure by itself, only very few of them are possible to cure by themselves. Pemphigus vulgaris is generally very difficult to self-cure, only a very few is possible to self-cure, do not actively carry on the treatment or wrong treatment may cause pemphigus vulgaris long-term not cure. Patients can use topical drugs under the guidance of doctors, such as econazole cream, clotrimazole cream, compound selenium disulfide lotion, etc.; patients with large symptom area can also take oral fluconazole, ketoconazole and other antifungal drugs for systemic treatment to alleviate the condition. It is recommended that patients strictly follow the doctor’s instructions for medication, actively cooperate with the doctor’s treatment, keep the skin dry and clean in life, avoid scratching the skin to prevent infection, and also pay attention to the observation of the affected area, once the symptoms worsened or other adverse reactions, should promptly seek medical attention.