Hiccups once rubbing the stomach may be caused by food factors, neurological factors, stomach diseases and other reasons. 1. Food factor: when the patient consumes gas-producing food, when the food is fermented in the stomach to produce a lot of gas, when the hand rubs the stomach, it will make the gas retrograde upward, and hiccup symptoms occur. 2. Neurological factors: hiccups from rubbing the stomach may be due to physiological factors that stimulate the diaphragm, and when you let go of the hand to rub the stomach, it drives the diaphragm, which makes the diaphragm stimulated to spasm, leading to hiccups in the patient. 3. Stomach disease: when the patient has stomach disease, the food in the stomach and intestines is abnormal fermentation, producing a lot of gas, when the patient rubs his stomach with his hand, the gas will also occur upward, and hiccups will occur. 4. Intestinal emptying obstruction: when the intestinal wall tension is weakened or intestinal obstruction, excessive gas and liquid accumulate in the intestine, which causes the symptom of abdominal distension, and at the same time, when rubbing the stomach with the hand because the hand produces a certain amount of stimulation on the intestine, so it will cause the accelerated activity caused by the accumulation of the gas in the intestinal tract upward return, resulting in hiccups. When the patient has the symptom of hiccups when rubbing the stomach, it is better to find out what the cause is, and if necessary, go to the hospital for examination and treatment.