If the baby is still drooling at one year old, parents do not have to worry too much, this situation is also very common in the clinic, may be a normal physiological phenomenon, may also be due to disease. 1, normal physiological phenomenon: one year old baby just in the time of growing teeth, teeth eruption stimulate the trigeminal nerve, the amount of saliva secretion increased and constantly drooling, and the baby’s swallowing function is not fully developed, the oral cavity is relatively shallow So do not clean up in time will appear drooling phenomenon, this is a normal physiological phenomenon, generally do not have to deliberately deal with; 2, pathological factors: disease in addition to physiological drooling, but also be alert to pathological factors such as oral inflammation, such as gingivitis will also stimulate the oral cavity saliva secretion increases, resulting in baby drooling, if there is oral inflammation, the baby should be treated in a timely manner. The baby’s skin is delicate and will be red, swollen or even ulcerated by saliva soaking for a long time. So when the drool out of wet clothing, must promptly clean up the drool, replace the drool wipes and clothing. If the cleanup is not timely, it is easy to cause bacteria breeding, and even lead to baby sickness. In addition, do not always pinch the baby’s face, will lead to drooling situation aggravated.