China News Service Client, April 7 (Song Yusheng) Guo Yanhong, supervisor of the Medical and Medical Administration of the State Health and Health Commission, said at the press conference on the 7th that as of 24:00 on April 6, Wuhan ’s critically ill patients have More than 9,000 cases have dropped to 181 cases, and remarkable results have been achieved in the rescue work. However, the treatment of critically ill patients still faces relatively great difficulties. The difficulties are mainly concentrated in: first, there are many elderly patients, second, the basic disease is serious, and third, the disease is prolonged and the disease changes rapidly, so higher requirements are placed on the treatment. And challenges. She said that measures will be taken to save more patients' lives.