Metronidazole and artificial oxalic metronidazole have different ingredients, different clinical application symptoms and other differences. 1. Different ingredients: metronidazole is a single preparation, the main ingredient is metronidazole, a nitroimidazole antibiotic, artificial oxalic metronidazole compound preparation, the main ingredient is artificial oxalic, metronidazole and other ingredients. 2. Application symptoms are different: metronidazole in addition to anti-anaerobic infections, there is also a strong trichomonas effect, can be used for bacterial and amoebic protozoal infections. Artificial oxalic metronidazole has antipyretic and anti-inflammatory effects, mainly used for oral anaerobic infections, can be used for acute pericoronitis, alveolar abscess, gingivitis, pulpitis and other oral infections. It is forbidden for those who are allergic to metronidazole, avoid drinking alcohol during the use of the drug, pregnant women are forbidden, and children should be used with caution. Metronidazole can produce adverse reactions such as digestive system and nervous system. The contraindications and adverse reactions of artificial oxalis are not clear. Artificial oxalic metronidazole and metronidazole must be administered under the guidance of a doctor, avoid private medication to avoid adverse effects.