The tightness in the chest after vomiting water is generally considered to be caused by gastric diseases or esophageal lesions, and further examination is needed to make a clear diagnosis. 1. Gastric diseases: such as inflammation of the stomach and stomach ulcers, the appearance of these diseases may cause chest blockage, but also cause acid reflux in the stomach, which in turn causes the symptom of vomiting water, it is recommended that further examination and treatment. 2. Reflux esophagitis: generally cause acid reflux and heartburn, as well as chest tightness and burning sensation in the chest and other clinical symptoms, you need to go to a regular hospital gastroenterology department to receive further examination can be clearly diagnosed. In addition, stomach and esophageal diseases often significantly affect the patient’s life, it is recommended that patients need to actively accept the examination and treatment, to avoid affecting the health.