Enlargement of the right atrium of the left heart is mainly related to abnormal heart function, and the main harm lies in a series of abnormal physical conditions caused by blood stasis in the body circulation, such as abnormal gastric function, abnormal liver function and abnormal kidney function. 1. Abnormal gastric function: because of the blood stasis in the veins of the stomach, it will lead to indigestion and loss of appetite, which will affect the physical condition. 2. Liver function abnormality: blood stasis in the liver will lead to enlargement of the liver, and cause discomfort in the liver area and liver function abnormality, and in serious cases, it may even lead to liver failure. 3. Abnormal renal function: abnormalities in body circulation cause kidney damage leading to hematuria, proteinuria, and in severe cases, serious abnormalities in renal function, metabolic wastes in the body can not be discharged in time, resulting in physical weakness. Apparently left heart right atrium enlargement, some people will also cause abnormal breathing, dizziness and discomfort and other symptoms, you need to standardize the treatment under the guidance of the clinician, do not be negligent, so as not to delay or aggravate the condition.