The main symptom of molluscum contagiosum is the appearance of hemispherical papules on the skin, mostly without obvious discomfort symptoms or mild itching sensation. 1. Molluscum contagiosum is caused by viral infection, note that the symptoms are one or more scattered hemispherical pimples on the skin, the tip of the depression, the diameter of more than 2 to 5 mm, the surface is smooth and waxy gloss, usually no obvious self-conscious symptoms or often accompanied by mild itching sensation. 2. Molluscum contagiosum is prevalent in children and adolescents and is highly contagious, fast-onset, and often congregates in kindergartens, schools, and other places. You can use tweezers, hemostatic forceps and other instruments to pull out under the operation of the doctor, and you can also do laser, electrocautery and other physical treatment to remove. It is recommended that after the appearance of infectious molluscum contagiosum, go to the hospital dermatology department in time, under the guidance of a professional doctor for treatment, do not deal with it on your own.