The vast majority of hospitals currently use laser or freezing + photodynamic + immune enhancer mode of treatment, each patient less than nearly 10,000, more than tens of thousands, spend more than 100,000 is not new, its resource consumption is far better than the national table, and spend the patient’s blood and sweat, pain is the patient’s body and mind. In fact, is there a need for this? Was it like this in the past, is it still like this now, and is it going to be like this forever? Even if many doctors and even specialists are willing to do so. The laser or freezing to remove the warts, although painful, but real, although costly, although suffering, but still remove the warts, this is real. Why is photodynamic so prevalent? The reason is that laser or freezing removes the warts, and the rest is how to treat subclinical infections and potential carryover viruses. In addition to the so-called immune-enhancing drugs, there is a lack of public drugs available, and the laser can not burn the appearance of normal skin, but many domestic experts recommend photodynamic, and the economic benefits are considerable. After reflected and absorbed by the solid epidermal stratum corneum and granular layer, reaching the lower epidermal layer of spiny cells has become the end of the strong, while viral infections can reach the lower epidermal layer. 2, subclinical infection when the lesion cells absorb limited photosensitizer, because these cells are not active proliferation, can not be selective aggregation. Only the rapidly proliferating cells absorb more photosensitizing drugs such as Ira, etc. It is based on this property photodynamic is applied to the rapidly proliferating cells of some benign and malignant tumors. 3, HPV-infected keratinocytes called dug-out cells, there are no longer organelles and intact nuclei, but only carry viral particles, so the amount of absorption of photosensitizers is limited, so there may be selective blanking, rather than selective aggregation. 4, soy size warts still must be burned off with carbon dioxide laser or liquid nitrogen freeze off warts, because the thickness of the wart-like growth of the epidermis is many times the normal epidermis, light is more difficult to reach the lower part of the epidermis. 5, photodynamic treatment process of burning pain thrown very painful to endure, have done so people commented. 6, expensive, patients need to buy photosensitizer – Ira, whether domestic or imported, each time at least a minimum package (3ml or 118mg) need 700-900 yuan, plus the semiconductor laser each time at least 300 yuan, that is, each photodynamic at least 1000 yuan, which is only the size of the nail cover treatment This is only the cost of one treatment for the area of the nail cap, which usually requires at least 2 to 3 times, so the cost of photodynamic power is at least 3000 RMB. If you need to treat two or three non-adjacent, or one more than the size of the area (around the wart), or more than the size of the soybean wart, the cost should be in 6000-9000 yuan, this does not include other necessary expenses such as other with the drug, patient accommodation travel and other costs, to completely cure the total cost of patients often exceed 10000 yuan. The general HPV infection for young people, wages and savings is not much, this is a lot of money. 7, Condyloma acuminatum occurs in the male glans and foreskin, female vulva and / or vaginal wall, these with photodynamic as if anti-aircraft guns to hit mosquitoes, not only can not hit, more unnecessary.