Neither taking acyclovir nor viritin is effective in treating flat warts. So, there is no such thing as which one works better. Virus Spirit is generally not able to treat flat warts, acyclovir is generally used to treat flat warts by applying it externally. Acyclovir is generally used to treat flat warts by topical application. Acyclovir is mainly used to treat patients infected with influenza virus or coronavirus, and it is not effective for flat warts caused by human papillomavirus infection. The treatment of flat warts is mainly local application of acyclovir ointment, phthalidomide coating and other treatments, but also the use of imiquimod cream, interferon gel and other inhibition of viral replication, activation of immune cells treatment, the effect is better. The adverse reactions and contraindications of oral viruses are not clear, but oral acyclovir may have adverse reactions such as dizziness and headache, and it can not be used for people who are allergic. The appearance of flat warts suggests that patients go to the hospital in a timely manner, the above drugs should be used under the guidance of the doctor, to avoid self-medication.