Between 1854 and 1856, the British and French allied forces fought fiercely with Russia. Nightingale is the nurse director of a British hospital. She leads 38 nurses to the front line to take part in the work of nursing the sick and wounded. Due to the confusion of medical management and poor nursing quality, the mortality rate of the wounded and sick is as high as 42%. In this case, nightingale made up her mind to improve the sanitary conditions of the ward and strengthen the care and nutrition for patients. After half a year, the hospital mortality rate dropped to 2.2%. The story spread all over Europe. 1860, she founded the world's first formal nursing school in London, England. Her monograph on nursing work has become the basic teaching material for hospital management and nurse education. Nightingale is known as "the founder of modern nursing" because she has promoted the development of nursing work and nurse education worldwide. 19 10 After nightingale died in her sleep, the International Council of Nurses designated her birthday as "International Nurses' Day" in May of 12.