Photodynamic treatment of warts is a technology that has been gradually recognized and praised by the medical community in the past four years. It is advantageous in preventing the recurrence of warts and shortening the treatment time. Second, the amount of photosensitizer must be sufficient, especially the first treatment amount, reference indicators: male and female urethral warts, using a Ira, vulvar and penile warts, using 2-3 Ira, perianal warts, using 3 Ira, anal, vaginal warts using Ira 3-4 Ira. Third, the dressing must be expanded skin lesion range at least 1 cm. Fourth, the dressing time, generally 3 hours on the mucous membrane, the skin or folds of more parts of the place 4 hours. Fifth, the illumination time, 20 minutes per treatment area, the amount of its illumination to the patient feel pain, burning shall prevail. Sixth, in general, the treatment of external cavity warts once a week, need to be treated 2-4 times. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things.