There is generally no difference between imported and domestic imiquimod, and usually both have the same therapeutic effect. Imiquimod is a kind of immunomodulator, generally has the effect of anti-virus, mainly used for the treatment of condyloma acuminatum. It can induce immune cells to produce tumor necrosis factor alpha, which can activate the immune response mechanism of immune cells, and then achieve the effect of anti-virus, the fastest 2 to 4 weeks can be warts removed. There is generally no difference between imported and domestic imiquimod, and the two usually have the same therapeutic effect. Because imiquimod is a prescription drug, both imported and domestic imiquimod must be properly directed by a doctor. In addition, imiquimod has a certain corrosive effect on the skin, and applying it to the skin for a long period of time will lead to redness, swelling, breakouts and peeling of the skin. It is recommended to stop using the medicine if the situation is serious.