There are many reasons why newborns always cry more than they should, most of them are caused by physiological reasons, such as hunger, urination and defecation, etc., but they may also be caused by diseases, such as colds, central nervous system diseases and so on. 1. Physiological reasons: more than crying is an instinctive response of the newborn, crying loud and strong, mostly physiological phenomena, such as hunger, urination and defecation, frightened, position discomfort, etc., may cause newborns to cry. 2. Colds: Colds can cause newborns to runny, fever and other symptoms, if the newborn is always crying and accompanied by the above symptoms, it is likely to be the cold associated with the symptoms of discomfort caused by. 3. Central nervous system diseases: newborns cranial suture is not closed, craniocerebral diseases lead to increased cranial pressure, symptoms, signs and symptoms are not obvious, can be manifested as high-pitched screaming cry. Common diseases include hypoxic-ischemic encephalopathy, intracranial hemorrhage, hydrocephalus and so on. Newborns always cry more than, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.