Diarrhea may be caused by novel coronavirus infection, but not all diarrhea is caused by novel coronavirus, it may also be caused by eating inappropriate food or other reasons. If there is no abnormality during this period, the isolation can be lifted and the possibility of novel coronavirus infection can be ruled out. If symptoms such as shortness of breath, fever, dry cough and difficulty in breathing appear during the isolation period, please go to the hospital promptly.