In general, a 1-year-old baby who is still drooling may be due to a high salivary gland secretion, in the teething period, or stomatitis. Need to promptly check the specific circumstances of the baby’s oral cavity, and then make the relevant diagnosis. Common causes and treatment 1, salivary secretion: 1-year-old baby’s salivary function is relatively strong, but the swallowing function is relatively less well developed, so it may lead to increased salivation, overflow phenomenon. Generally no special treatment, you can give a light, easy to digest diet, and timely training baby chewing function; 2, teething: when the teeth erupt, the gums will be stimulated to a certain extent, resulting in increased saliva, generally for the normal phenomenon, but also without special treatment; 3, stomatitis: mainly due to viruses or bacteria and other infections, resulting in herpes, ulcers, or redness and swelling of the oral mucosa and other symptoms, and increased oral saliva, such as Children’s herpetic stomatitis, thrush, etc. Generally, under the guidance of professional doctors, use sodium bicarbonate solution to wipe the baby’s mouth, clean up food residues in a timely manner, pay attention to the cleaning and disinfection of tableware to keep the mouth clean; 4, hypotonia: if the baby hypotonia, accompanied by oral muscle relaxation, can also lead to uncoordinated swallowing function and cause increased salivation, common in hypothyroidism, peripheral nerve injury, etc.. Folic acid, vitamin B13 and levothyroxine sodium tablets can be used to treat hypothyroidism as prescribed by the doctor. Note that if a 1-year-old baby is always drooling, parents need to promptly put a bib on the child to avoid eczema caused by excessive saliva that infiltrates the skin for a long time.