It is necessary to check for HPV when you have filiform warts. Filiform warts are caused by HPV infection, and the disease is contagious, normal people and patients have direct contact or indirect object contact, when the contact person’s immunity is low, when the skin has broken more easily infected. After diagnosis, patients can choose physical methods such as carbon dioxide laser therapy and microwave therapy under the guidance of doctors to control the disease. In addition, you can also take interferon and topical pentafluorouracil ointment and other medications to help control the progress of the disease, which is effective in promoting the recovery of the body. The HPV test is necessary to help clarify the development of the disease and the presence of high-risk types of infection, so as to ensure timely treatment, it is recommended to follow the doctor’s instructions.