Florence took care the wounded-soldier in the hospital. The Hospitals crowded with the wounded-soldier, poorly ventilated, dirty bathrooms, improper diet and wounded lying in the dark at night.
Rodents and bugs scurried past them. More soldiers were dying from infectious diseases like typhoid and cholera .So, she improving the sanitary conditions of the hospital and systematized treatment of patients. (สาธารณูปโภค)