March 31, 10:00 am, Shanghai held a press conference on the prevention and control of the new crown pneumonia epidemic, the conference, the Shanghai Municipal Government re-introduced Shanghai's current policy of prevention and control of the current batch and said that it sincerely accepts everyone's criticisms, will do a good job in all aspects of the public's life services and protection, and make every effort to respond to the solution of the public's aspirations. On the same day, the Shanghai Municipal Party Committee and Municipal Government sent a letter to all citizens, saying that Shanghai's spring will be beautiful as usual.