Chest congestion may be related to mental factors, reflux esophagitis, stomach diseases, coronary heart disease and other reasons. 1. Mental factors: when in a state of prolonged mental tension, stay up late for a long time without getting enough sleep and other factors, may lead to chest congestion symptoms. 2. Reflux esophagitis: When suffering from reflux esophagitis, it will lead to belching (burping), acid reflux and other digestive symptoms, but also lead to chest congestion in lying down or at night. At this time, you can go to the hospital through the gastroscopy examination, can clarify the disease. 3. Stomach diseases: gastritis, gastric ulcer and other stomach diseases can affect the digestion and emptying of food. If you over-eat, you will suffer from indigestion, which will lead to chest congestion. 4. Coronary heart disease: It is common in middle-aged and old people with risk factors such as high blood pressure, high blood fat, high blood sugar and smoking. When the disease attacks, it can lead to chest congestion symptoms, in addition to panic, shortness of breath, chest pain and other symptoms. When chest congestion occurs, you should pay attention to rest, avoid exertion, maintain sufficient sleep, and avoid anxiety and tension. At the same time, it is not advisable to overeat, and small and frequent meals should be taken. If the symptoms are serious, you should seek medical treatment as soon as possible for gastroscopy, electrocardiogram and other related examinations to clarify the cause of the disease and carry out targeted treatment.