In the case of serious illness in the nursing home, the phenomenon of shortage of nursing staff in the nursing home has been present. According to the US Department of Labor, during the epidemic, care institutions such as American nursing homes have lost more than 425,000 employees. A joint survey of the US Health Care Association showed that the 86% of the Nursing Home in the United States was once rapidly deteriorated in recent months; the US retirement association pointed out that the gap of the medical staff of the US nursing homes has reached the peak of the last winter epidemic The level of time. Analysis points out that the shortage of care workers, so that the elderly cannot obtain the corresponding health services, further highlight the vulnerability of the US elderly population in the epidemic.