OMICRON infected patients may have fever, cough, fatigue, dyspnea and other symptoms, with individual differences, requiring prompt medical treatment. OMICRON is a mutated strain of the new coronavirus, Omicron, after infection, patients may have fever, cough, fatigue, dyspnea and other symptoms, some patients may also have abdominal pain, diarrhea, rash, conjunctivitis, loss of taste and other symptoms, there are individual differences. Compared with the common new coronavirus, the Omicron strain spreads quickly and has reduced pathogenicity, but there may still be heavy or critical patients, causing respiratory distress, hypoxemia, and so on, and in severe cases, respiratory failure and death, which should be treated in a timely manner. It should be noted that when the patient appears to be infected with Omicron suspected symptoms, should be the first time to report to the local health and disease control departments, do a good job of closed-loop transfer measures, as soon as possible in a specialized medical institutions, as soon as possible to clarify the condition, to avoid the spread of the virus on a wide scale, resulting in public safety adverse events. After the diagnosis of the disease is confirmed, patients should be actively treated under the guidance of specialized physicians, and the prognosis is generally good.