Diarrhea and fever can be seen in acute gastroenteritis, bacterial dysentery. Acute gastroenteritis give ceftriaxone anti-infection, montelukast to stop diarrhea, etc.; Bacterial dysentery give levofloxacin anti-infection, rehydration, antipyretic and so on. 1. Acute gastroenteritis: divided into infectious and non-infectious, infectious and eating unclean food; non-infectious and overeating, food allergies and drugs, etc., can have diarrhea colic and fever, can be given to the loperamide, montelukast antidiarrheal, pivacyl bromide antispasmodic analgesic, infectious should be given to the ceftriaxone, levofloxacin and other antibacterial drugs. 2. Bacterial dysentery: caused by Shigella dysenteriae intestinal infections, before the results of the culture, preferred levofloxacin and other quinolone antibiotics, can also be given ceftriaxone, azithromycin, and so on, to rehydration to maintain the water-electrolyte balance, to physical cooling or ibuprofen and other antipyretic, pivacid antispasmodic and antipainting. Diarrhea colic also fever should be promptly to the hospital, identify the cause, the doctor’s guidance according to the cause of the treatment, to avoid delay.