Hiccup is also known as belching, often belching and overeating or eating too much spicy and stimulating food and other physiological reasons, but also with gastroesophageal reflux disease, chronic gastritis, peptic ulcer and other pathological reasons, as follows. 1. Physiological reasons: if long-term mental stress, eating too fast, overeating or eating too much spicy and stimulating food, it will affect the digestive function of the gastrointestinal tract, resulting in belching, abdominal pain, nausea and vomiting and other symptoms. 2. Pathological causes: If you suffer from gastroesophageal reflux disease, chronic gastritis, peptic ulcer, functional dyspepsia and other diseases, acid reflux, heartburn, belching, abdominal pain and other symptoms will also occur. There are many other reasons for frequent belching, so it is recommended to consult a doctor to clarify the cause of the disease and carry out targeted treatment to avoid delaying the condition.