Frequent hiccups for months may not necessarily be a precursor of stomach cancer, but may also be caused by improper diet, emotional impact, central system diseases, gastrointestinal diseases, biliary tract diseases, etc. The specific analysis is as follows: 1. Improper diet: improper diet is a common cause of hiccups, when patients eat stimulating foods, such as iced watermelon, ice cream, etc., it will cause the food and the cold gas in the food to gather in the stomach and affect the balance of the environment in the stomach, leading to the upward movement of stomach gas and hiccups. This affects the balance of the environment in the stomach, causing the stomach gas to move up and hiccups to occur. If it is summertime and patients often eat these “cold” foods, frequent hiccups may occur for months; 2. Emotional impact: When patients experience persistent depression or frequent emotional impulses, this can lead to a stress response in the liver, which in turn 3. Central system diseases: such as brain tumors, encephalitis, etc., mainly due to abnormal inhibition of the diaphragm reflex arc, which causes hiccups; 4. Gastrointestinal diseases: for patients with chronic gastrointestinal diseases such as gastritis, gastric ulcer, duodenal ulcer, etc., due to inflammation in the gastrointestinal tract, the food cannot be completely digested, and food accumulates in the gastrointestinal tract for a long time through the accumulation of bacteria. In the gastrointestinal tract by the continuous decomposition of bacteria, it is easy to produce more gas, which leads to frequent hiccups; 5. Biliary tract diseases: for example, biliary tract stones, biliary tract infections, etc., due to the stimulation of stones or inflammation, etc., it is easy to affect the peripheral nerves or tissue and organ functions, resulting in hiccups and other phenomena. In a few patients, frequent hiccups may be a precursor of stomach cancer, mainly due to abnormal function of the gastrointestinal tract caused by cancer, which is prone to indigestion, or cancer cells metastasizing and invading the nervous system, resulting in abnormal nerve function and thus frequent hiccups. In addition to hiccups, patients may also experience non-specific upper gastrointestinal symptoms such as upper abdominal discomfort, fullness and nausea after eating. Patients are advised to go to hospital for diagnosis and treatment in time after the appearance of uncomfortable symptoms, which can improve the early diagnosis rate of gastric cancer and help prolong the survival period of patients.