Half a year old baby diarrhea for a week, the possible causes of improper diet, cold, etc., according to the cause to take dietary control, medication to assist the method to deal with. 1. Improper diet: improper diet can lead to baby diarrhea for a week, you can change the baby’s diet structure, such as in the period of diarrhea, eat more millet porridge, purple potatoes puree and other foods conducive to digestion, you can also eat more boiled apples to protect the baby’s intestines and stomach, to slow down the symptoms of diarrhea. 2. Cold: a baby with a cold abdomen can also lead to diarrhea all the time, pay attention to keep warm. If the baby’s diarrhea is more serious, you can use medication, such as the elimination of Caduceus, Montelukast and other drugs to stop diarrhea. At the same time oral probiotics such as Saccharomyces boulardii loose to regulate intestinal flora, in order to promote recovery. Half-year-old babies with diarrhea for a week can go to the hospital to complete the relevant examination to clarify the situation and take appropriate measures. The above medications should be used in accordance with medical advice.