The specific causes of dry vomiting in 7-year-old children are as follows: 1. 7-year-old children who have pharyngitis will have pharyngeal discomfort, foreign body sensation, and often dry vomiting performance. The symptoms of dry vomiting can disappear after pharyngitis is cured. 2, 7-year-old children with indigestion symptoms due to gastrointestinal indigestion, there will also be dry vomiting performance, you need to pay attention to light, easy to digest diet, at the same time can be combined with oral drugs to help gastrointestinal digestion, such as stomach and digestion oral liquid or lactobacillus granules and other drugs to treat. At the same time can be combined with the navel as the center of the clockwise abdominal rubbing, can effectively promote gastrointestinal peristalsis, reduce the symptoms of gastrointestinal indigestion, can relieve the phenomenon of dry vomiting.