Babies crying heartbreakingly may be caused by physiological reasons and pathological reasons, such as hunger, fever, etc.. 1. Physiological causes: common in hunger, defecation, lack of security and other factors, mainly because the infant temporarily can not speak, can only cause parents to pay attention to through crying. 2. Pathological reasons: when the infant suffers from intestinal cramps, colic, fever and other diseases, causing stomach pain, headache and other symptoms, the infant will also cry heartbreakingly, and cry for a long time. This is mainly because the disease will bring discomfort to the infant’s body. Parents can temporarily observe the infant crying, if you exclude the physiological causes and long crying, you should go to the hospital in a timely manner, in accordance with the doctor’s instructions for treatment, to avoid delaying the condition.