Babies born a few days old crying all the time may be related to environmental factors, physiological factors, or pathological factors such as abdominal distension, abdominal pain, colds and so on. 1. Environmental factors: If the indoor environment of a newborn baby is too hot or too warm, it may lead to crying and unwillingness to breastfeed. 2. Physiological factors: If the baby is hungry or cold, it may also lead to the above situation. 3. Pathological factors: if the baby has nasal congestion, cough, fever and other symptoms, pathological factors may lead to crying and restlessness, in addition to the lack of oxygen can also lead to the baby appeared above. A few days after the birth of the baby is always crying there may be other reasons, it is recommended to go to the hospital in a timely manner to carry out relevant examinations, clear causes and actively treat the symptoms.