The incubation period of omicron variant strains is usually 1 to 14 days, but most are 3 to 7 days. The omicron variant strain is one of the new coronavirus variants, and its incubation period is usually 1 to 14 days, but most are 3 to 7 days. The length of onset of infection with omicronjon virus varies as each person’s constitution is different. The omicron variant strain is more contagious, has a shorter incubation period, a shorter transmission time, and the insidious transmission of this virus is more obvious. Clinical analysis of cases is mostly mild, and many patients do not have obvious clinical symptoms at the time of nucleic acid screening, which leads to increased difficulty in early detection. It is recommended to avoid going to places where there are many people, if you need to travel, you should wear a mask correctly, you need to wash your hands diligently, maintain good personal hygiene, more indoor ventilation, you can increase the amount of daily exercise to improve immunity, and early vaccination for the new crown. If fever, dry cough and other symptoms occur, you should go to the hospital in time to avoid affecting your health.