Feeling tightness in the chest, shortness of breath and hiccups are mainly considered to be caused by respiratory diseases, gastrointestinal diseases and heart diseases. Chronic respiratory diseases such as chronic bronchitis and emphysema can affect breathing and cause chest tightness and shortness of breath, and can also affect gastrointestinal motility and cause indigestion and hiccups. It is necessary to do a CT examination of the lungs and also a routine blood test, and to treat with drugs that relieve cough and phlegm and calm asthma, as well as with effective antibacterial drugs. Pay attention to a light diet and avoid stimulating foods. If you do not pay attention to this, it will affect the absorption of the stomach and intestines and will aggravate the symptoms, which are usually easily aggravated by a poor stomach and intestines. You can use drugs such as omeprazole and mosapride to promote peristalsis and pay attention to proper rest to improve the symptoms.