Linear moss is self-healing and can subside on its own, and can be left untreated without self-conscious symptoms. Linear moss is most common in children from 4 months old to 15 years old, mostly unilateral, lesions appear as mossy papules, flat at the top, red or grayish-white in color, with a few white scales, and most of the time there are no self-conscious symptoms. The appearance of linear moss can not be treated, in a few months to years after the rash subsides on its own, leaving inflammation after hypopigmentation, usually do not recur. When the itching symptoms can go to the regular hospital, under the guidance of the doctor to choose the appropriate treatment.