Just squeezed pimples can be applied metronidazole, can play the role of anti-inflammatory, sterilization, but also to avoid serious infection. Just squeezed pimples easily lead to skin damage, bleeding, infection, purulent secretion oozing, pain and other symptoms, metronidazole has a bactericidal effect, can reduce the local inflammatory reaction, relieve symptoms. Pimples should not be squeezed and scratched with hands, especially the danger triangle of the face, which can easily cause intracranial infection. In daily life should avoid spicy, greasy stimulating food, pay attention to skin cleaning, avoid staying up late, exposure to the sun, etc., to ensure a happy mood. Drugs should be used under the guidance of a physician to avoid long-term use and drug resistance.