Three months baby colic may be related to abdominal cold, irregular feeding, diarrhea and other factors, need to pay attention to daily care, improve feeding, medication, etc. to improve. 1. Abdominal cold: when the baby’s abdomen is cold, colic may occur, parents need to pay attention to the warmth of the abdomen, generally will slowly improve. 2. Irregular feeding: because the baby’s intestinal development is not perfect, so parents usually do not pay attention to the feeding method, it is easy to colic, it is recommended to improve the feeding routine, do not give the baby a one-time eat too much. 3. diarrhea: baby diarrhea may also appear above, it is recommended that you can add drugs to regulate intestinal flora, such as probiotics such as bacillus subtilis dichotomous and so on. Three-month-old baby said colic may have other reasons, it is recommended to the hospital in a timely manner to carry out relevant examinations, clear causes of active symptomatic treatment, in addition to the above medication is recommended to be taken under the guidance of a doctor, can not be used on their own.