Bloating and hiccups may be caused by indigestion, stomach diseases, improper diet and other reasons. 1. Indigestion: when indigestion occurs, the food in the stomach can not be emptied in time, the food in the digestive juices and will not be good when the fermentation produces a lot of gas, resulting in bloating in the stomach, when the gas accumulates too much in the stomach, it will be released in the form of hiccups. 2. Stomach diseases: such as chronic gastritis, due to the slow peristaltic function of the stomach, indigestion, will show the phenomenon of flatulence, resulting in hiccups, belching, and even nausea, vomiting, this kind of clinical symptoms. 3. Improper diet: eating too much gas-producing foods, such as onions, garlic, etc., or long-term consumption of excessively stimulating food will inhibit gastric acid secretion and intestinal probiotic reproduction, resulting in increased intestinal gas, resulting in bloating, hiccups. There are many other causes of bloating and hiccups, if the symptoms persist or worsen, it is recommended to go to the hospital in time to identify the cause and standardize the treatment under the guidance of the doctor.