Laser treatment for molluscum contagiosum (contagious molluscum contagiosum) only removes the warts, and does not completely turn the virus, the application of interferon gel to help remove the virus and prevent recurrence. Molluscum contagiosum is caused by the infection of molluscum contagiosum virus (MCV), and it is easy to be infected when the body’s immunity is low. Laser treatment only helps to remove the warts, but not the underlying infection that has not formed on the localized skin. Interferon has an antiviral effect, can inhibit viral replication, regulate the local immunity, help to achieve complete conversion, reduce the probability of recurrence after laser treatment. The actual interferon gel can be used after the laser treatment of molluscum contagiosum to prevent the recurrence of the disease, and the use of the drug must be under the guidance of a professional doctor.