Continuous hiccups can be due to a number of reasons, possibly cancerous, but a diagnosis of cancer cannot be made on the basis of hiccups alone. First, it is important to distinguish between hiccups and belching, which is generally a burp-like phenomenon that occurs on a regular basis due to excessive gas accumulation in the stomach. Secondly, frequent hiccups may be caused by inflammation of the stomach, while in the elderly population, recurrent hiccups are more likely to be a precursor to a stroke. Tumors that cause enlargement of the liver and irritation of the diaphragm can also cause hiccups, especially in patients with gastric, esophageal, and cardia cancers, which are prone to continuous hiccups. Therefore, if you have continuous hiccups, you should go to the hospital for relevant examinations in time to clarify the cause. When hiccups occur, deep breathing and massage can be used to relieve them, but for long-term continuous and stubborn hiccups, it is important to go to a regular hospital in time for examination to clarify the cause and actively treat them.