The parents must pay more attention to the child’s drowsiness, which implies that the baby’s health has certain problems, drowsiness may be caused by the following points: 1, cold and cold is one of the main causes of drowsiness, the baby’s resistance is relatively weak, vulnerable to various viruses, so as long as a little wind and cold will catch a cold. After a cold, the child will be mentally weak and easily drowsy. 2, anemic children can also trigger the symptoms of drowsiness, parents can observe the child’s face, lip color, if the face is white or pale yellow, and drowsy, it is likely to be caused by anemia, you need to take the child to the pediatrician, blood tests to detect the problem. 3, in addition to the above points, the central nervous system diseases, such as suffering from viral Encephalitis, meningitis children often appear drowsy, accompanied by headache, vomiting, fever, even convulsions and other symptoms, should immediately go to the hospital, further examination, clear diagnosis. 4, a variety of poisoning, such as food poisoning, drug poisoning, carbon monoxide poisoning and pesticide poisoning, etc., can cause the symptoms of drowsiness. So when children appear drowsy, pay attention to find the cause.