Photodynamic therapy is a treatment method that combines the application of a photosensitizer and the corresponding light source to selectively destroy the target tissue through a photodynamic reaction. Photodynamic therapy consists of 3 steps: application of the photosensitizer, aggregation of the photosensitizer molecules in the target tissue, and exposure to appropriate visible light. This treatment has few side effects and a high cure rate, but when photodynamic therapy is invoked to treat condyloma acuminata. We need to pay attention to the following precautions: 1, the day before treatment, please clean the affected area, change underwear; 2, 2 hours before treatment as little as possible to drink water; 3, the drug is applied externally and during the light should not urinate; 4, the treatment process may be different degrees of pain, itching, burning sensation, pins and needles, is a normal treatment reaction, most of which occurs within 5 minutes after the start of treatment, if the pain, scratching sensation If the pain and itching are more serious and unbearable, please inform the treatment physician in time to make individualized treatment adjustments to improve (adjust the time and intensity of light), or use a local cooling device (cold compress/cold spray) to relieve. 5, the day after treatment should drink more water, more urination; 6, 1-4 days after treatment, the skin around the trauma is slightly flushed, edema is normal, a few patients can appear local exudation, generally do not need to deal with, special circumstances should promptly ask the medical staff to check the treatment, do not deal with their own; 7, need to pay special attention to the trauma hygiene, keep the treatment site clean and dry; 8, clothing and pants should not be too tight, loose The company’s main business is to provide a wide range of products and services to its customers. The actual fact is that you will be able to get a lot more than just a few of the most popular and most popular items.