Babies with vesicles in the throat are mainly considered to have herpes pharyngitis or hand, foot and mouth disease. Parents should pay attention to observe other abnormal physical conditions of the baby and take the baby to the hospital for examination and treatment in time. Common causes: 1, herpes pharyngitis: herpes pharyngitis is caused by coxsackie virus infection, with acute fever and pharyngeal herpes as the main features, early pharyngeal mucous membrane congestion, then the pharynx herpes, herpes rupture ulcers, the baby will also appear repeated fever, refusal to eat, irritability and other symptoms; 2, hand, foot and mouth disease: hand, foot and mouth disease is caused by intestinal virus infection, the onset of the site mainly in the Oral cavity, hands, feet and other parts of the mouth will appear painful small blisters, ulcers will form after breaking, accompanied by fever, headache, loss of appetite and other symptoms. Treatment: 1. When the baby’s temperature reaches 38.5℃ or higher, accompanied by obvious symptoms of discomfort, antipyretic drugs such as ibuprofen and acetyl amino acid can be given for treatment under the guidance of a doctor; 2. Oral spraying of open throat sword, recombinant human interferon and oral busulfan for anti-inflammatory treatment can be given under the guidance of a doctor, which can play the role of anti-inflammatory and pain relief, clearing heat and detoxification and effectively relieving sore throat; 3. and drink more plain water and keep ventilation in the room. Note: Throat bubbles are usually caused by viral infections, so it is best to isolate the baby for treatment during this period and pay more attention to rest. Do not eat too salty or too acidic food to avoid sore throat.