Hiccups are irregular spasms and contractures of the diaphragm, also known as hiccups. Hiccups can be improved by drinking warm water or deep abdominal breathing. 1. Drinking warm water: Drinking warm water is to stimulate the phrenic nerve through the dilation of the esophagus to achieve the effect of relieving hiccups. The specific operation is: bend over at 45° and drink three large gulps of warm water continuously without changing breath. Note that the amount and speed of water should be moderate to avoid choking and vomiting. 2. Deep abdominal breathing: When hiccups occur, you can do deep abdominal breathing. Inhale forcefully and slowly, relax and bulge the abdomen when inhaling, feel the diaphragm carefully, try to make it droop, hold the breath slightly after inhaling, and then exhale the gas slowly. Repeat this several times and the hiccups are usually relieved. If the above methods still can’t relieve hiccups, it is recommended to consult a doctor in time and choose a reasonable method to improve under the doctor’s guidance.