There is no phthalide cream, but phthalide cream, phthalide cream has antiviral effect, but the effectiveness of the treatment of flat warts is insufficient evidence, it is not recommended to routinely use its treatment of flat warts. The actual phthalidin cream has an antiviral effect, mainly on herpes simplex and varicella zoster virus has a certain inhibitory effect, the effectiveness of the treatment of flat warts is insufficient evidence, it is not recommended to routinely use its treatment of flat warts.