Frequent nausea and belching (hiccups) are often seen in mental psychological factors, indigestion, chronic gastritis, etc. 1. Psychological factors: may be due to mental stress, or mental overstress, will affect the sympathetic neuron regulation of gastric peristalsis and gastric emptying caused by the inhibition of food in the gastrointestinal tract for a long time, thus causing nausea belching. 2. Dyspepsia: mainly refers to functional dyspepsia, may be due to frequent overeating or improper diet, which will lead to a decline in gastric digestion, food can not be digested in a timely manner, thus causing symptoms. 3. Chronic gastritis: due to the existence of chronic inflammation of the gastric mucosa, can lead to decreased digestive capacity, and excessive secretion of gastric acid, the gastric mucosa caused by the stimulation of gastric mucosa, can easily lead to gastric cramps, nausea, belching and other symptoms. Frequent nausea and belching may also be caused by stomach tumors, peptic ulcer, etc. It is recommended to go to the hospital in a timely manner to find out the cause of the problem, and then take targeted conditioning or treatment.