0-1 month infant diarrhea can be divided into physiological factors, such as abdominal cold, lactose intolerance, etc., this situation does not require special treatment, but also does not exclude pathological factors, such as viral and bacterial infections caused by diarrhea, treatment includes antibiotics and anti-infective, regulating intestinal flora and so on to treatment. 1. Physiological factors: 0-1 month old babies gastrointestinal function is not yet well developed, when the abdomen is cold or the body lacks lactase, there will be a high number of stools, most of the yellow or lime green thin paste stools, foam, the general state of the baby is good, no need for special treatment, in serious cases, you can change to eat lactose-free milk powder. 2. Antibiotic anti-infection treatment: If it is clear that the diarrhea is caused by bacteria, the clinical manifestation of increased stool frequency, accompanied by mucus or blood in the stool, sometimes the baby will cry, the treatment needs to be given to the antibiotic anti-infection treatment, such as cefixime, etc., need to be taken under the guidance of the doctor, pay attention to the presence of allergy phenomenon. 3. Regulate intestinal flora: 0-1 month old infants with abnormal stools, you can supplement probiotics (such as bacillus subtilis bacillus) to regulate intestinal flora, when the stool is dilute and watery, you can give montelukast to stop diarrhea. There are many reasons for diarrhea in 0-1 month old babies. If the diarrhea persists without relief, go to the hospital in time to find out the cause of the diarrhea and give regular treatment under the guidance of a doctor. All of the above medications should be taken under medical supervision.