The treatment options for a child with a small patch of molluscum contagiosum on the corner of the chin and mouth are medication, physical therapy, etc. 1. medication: one is a corrosive agent, coated in the warts will cause tissue necrosis, with 30% ~ 50% of trichloroacetic acid aqueous solution applied to the skin mucous membranes will cause organic burning sensation; the second is a kind of inhibitory cell growth of the drug such as fluorouracil, used in the treatment of warts, can inhibit the proliferation of epithelial cells, so as to let the warts fall off. 2. physical therapy: laser is the most commonly used means of treating warts, it is through the laser to produce high efficiency energy, by focusing on the sarcoma to destroy the sarcoma; the method is simple, practical, applicable to a wide range of characteristics. If your child has a small soft wart on the corner of the chin and mouth, it is recommended that the patient seek medical attention as soon as possible, under the guidance of the physician to actively treat, not blindly use their own medication.