Drooling when pregnant women eat sweet may be caused by oral nerve reflex, indigestion, hormone level changes and other reasons. 1. Oral nerve reflex: Pregnant women are more sensitive during pregnancy, if they eat some sweet food, they will secrete more saliva under the reflexive regulation of the nerves, which will lead to drooling. 2. Indigestion: If pregnant women do not pay attention to their eating habits, often eat too much food, may affect the peristalsis of the gastrointestinal tract, causing indigestion. At this time, after eating sweet food, pregnant women may lead to the occurrence of acid reflux, which will lead to drooling when eating sweets. 3. Changes in hormone levels: The hormone levels in women’s bodies change after pregnancy, and some pregnant women will experience acid reflux, which worsens after eating sweet foods, resulting in drooling and other conditions. Pregnant women who eat sweet drooling may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.