How can a 1-year-old 6-month-old child be sure that it's okay when he falls on his head?

1 year old 6 months child fell head can be determined by the following ways, one is the child after falling head crying noisy, indicating that the child may be normal. Second, if the child is prone to fall, generally on the head will not cause great impact. Third, the child will not stand up immediately after falling, there is no trauma. If the child has a slight bulge phenomenon, generally do not need to worry too much.