Omicron is a novel coronavirus mutant strain, and some patients may experience sequelae such as decreased lung function, loss of sense of smell, and loss of sense of taste. Omicron is a new strain of coronavirus. When people are infected with Omicron, they are prone to the same symptoms as those of the new strain of coronavirus pneumonia, such as fever, dry cough, weakness, and respiratory distress, which are serious threats to their lives and health. Some patients infected with Omicron and treated aggressively may experience sequelae such as decreased lung function, loss of sense of smell and taste. The severity of the sequelae varies depending on the degree of the disease in each individual. If patients do not pay attention to the disease or actively isolate and treat it, the disease is prone to further aggravation, inducing complications such as acute respiratory distress syndrome and septic shock, as well as easy to spread the disease to other healthy people. It is recommended that people infected with Omicron adjust their mindset and actively cooperate with doctors for isolation treatment. Daily exercise, more nutritious food intake, in order to promote the body to restore health. Tips] The “new coronary pneumonia, new coronary virus pneumonia” mentioned in this article has been renamed to “new coronary virus infection” on December 26, 2022, as announced by the National Health Commission.