Daily diarrhea is called chronic diarrhea, according to its causes, can be divided into infectious diarrhea and non-infectious diarrhea, need to go to the hospital for examination, clear causes, and then targeted treatment. Common causes and treatment 1, infectious diarrhea: diarrhea caused by viruses, bacteria, fungi, protozoa and other pathogens, mostly due to the consumption of unclean food, mainly manifested as a large number of stools, the nature of the stool can be thin stool, watery stool, sometimes mucus stool, pus and blood stool or blood stool, accompanied by abdominal pain, nausea, vomiting, loss of appetite, fever and other symptoms. Stool routine and fecal bacterial culture tests are required, of which fecal bacterial culture tests are the gold standard for the disease. If the diarrhea is mild, conservative treatment can be carried out, such as oral rehydration salts, and if the symptoms are severe, norfloxacin antibiotics and montelukast can be used to stop the diarrhea, along with intravenous rehydration; 2. Non-infectious diarrhea: mostly caused by improper diet, bad stimulation, allergies, cold, etc., promptly seek medical attention and improve the stool routine and occult blood, gastrointestinal microscopy and other tests. Drug treatment usually requires the use of probiotics, such as clinically more commonly used probiotics are Clostridium typhimurium tablets, Bacillus coagulans tablets, Bacillus subtilis diphtheria enteric capsules, etc. Patients with more frequent diarrhea can also temporarily add montelukast for antidiarrheal treatment. Patients with diarrhea should pay attention to bed rest to reduce physical exertion and intestinal peristalsis, drink more water and add sugar and salt to the water; pay attention to dietary hygiene, the diet should be light and easy to digest, and can eat less and more meals.