Background of the study: The World Health Organization recently declared the outbreak a pandemic. In accordance with the Law of the People's Republic of China on the Prevention and Control of Infectious Diseases, COVID-19 has been classified as a Category B infectious disease, with prevention and control measures for Category a infectious diseases adopted against the disease. Breathlessness, commonly known as dyspnoea, is an unpleasant and common breathing symptom. It has been hypothesized that the perception of dyspnoea is influenced by the central nervous system's involvement in the perception of other subjective sensations. Dyspnoea is a distressing and common breathing symptom. It has been hypothesized that the subjective sensation of breathlessness could be linked to the central nervous system. Breathlessness, also known as dyspnoea, is a distressing and common symptom. It has been hypothesized that the perception of this condition is influenced by a central nervous system pathway involved in the perception of dyspnoea, irrespective of the underlying cause