Four-year-old baby crying can take the following approaches: 1, everything to communicate with the child more communication, exchange, reasoning, because the four-year-old child has already had a lot of independent thinking ability. 2, you can take the baby to the early childhood institutions for sensory integration training, because many children have sensory integration disorder, he heard, saw, contact with the space around him, easy to produce a sense of discomfort, the cerebral cortex can not The cerebral cortex can’t make a good integration and thus the phenomenon of crying occurs. So you can carry out gyro or walk the road teeth and other sensory training, most of the professional training in 2-3 months will have obvious improvement. 3, weekdays to take the child more games, activities, and more contact with people.