Baby drooling after a fall may be oral cavity injury, central nervous system injury and other factors related to the specific circumstances of the fall and reasonable treatment. 1. oral cavity injury: if the baby’s mouth falls to the ground after a fall, it may cause some damage to the oral tissues or mucous membranes, then there may be a drooling situation, we should promptly clean the damaged oral parts and maintain oral hygiene, can be selected under the advice of the doctor iodine glycerin, recombinant bovine alkaline fibroblast growth factor gel, etc. for anti-inflammatory treatment. 2. central nervous system damage: due to the baby’s age, the cerebral cortex is immature, muscle tone is low, after a fall may have a certain impact on the control of salivation (drooling) of the neural development, there may be drooling, at this time it is recommended to go to the hospital to do a brain CT and other tests for a clear diagnosis. Daily attention should be paid to the baby’s body protection, to avoid falls, if the drooling after a fall can not be effectively relieved, to go to the hospital in time for examination and active symptomatic treatment.