Vomiting and burning sensation in the throat are related to acid reflux and pregnancy. Vomiting is a normal physiological reaction of human body, such as frequent irregular diet, overeating, smoking, drinking and irregular diet, which will cause damage to gastric mucosa and lead to vomiting performance of human body. The burning sensation in the throat is considered to be a result of the gradual increase in the secretion of stomach acid after vomiting, as the bile cannot be discharged downward into the human esophagus and oral cavity through the pylorus and cardia, resulting in a burning sensation in the throat, which can also occur when the throat is dry due to dry weather, too little water, or chronic pharyngitis or tonsillitis. Patients with throat discomfort can drink a lot of water, eat a light diet, avoid the stimulation of tobacco and alcohol, and eat fresh fruits such as snowdrops and grapefruit, which can play a role in clearing heat and removing fire, and can also relieve the burning sensation in the throat. If it persists, it is caused by chronic gastritis or gastric ulcer, which leads to an increase in stomach acid. Some women may experience a burning sensation in their throats after pregnancy due to intense vomiting, which can lead to upward reflux of stomach contents, the contents of which contain stomach acid and pepsin, which can cause irritation to the throat.