High hemoglobin carbon dioxide can be caused by a variety of reasons, high hemoglobin can be caused by physiological reasons such as strenuous exercise, can also be caused by a large number of body fluid loss, blood concentration, cardiovascular and respiratory diseases, high carbon dioxide is mainly due to respiratory and cardiovascular system diseases. 1. Normal adult hemoglobin concentration is 120-160g/L for men and 110-150g/L for women, if it exceeds the normal range, the hemoglobin concentration is high. (1) Physiological causes such as strenuous exercise, emotional excitement, long-term hypoxia in highland residents can cause compensatory rise in hemoglobin. (2) Loss of water in plasma, such as violent vomiting, extensive burns, severe diarrhea, heavy sweating, etc., blood concentration, hemoglobin concentration is high. (3) High hemoglobin concentration caused by hypoxia, such as pulmonary heart disease, cyanosis congenital heart disease, and chronic obstructive pulmonary disease. 2. High carbon dioxide in the body is called carbon dioxide retention, which is generally known through blood gas analysis of arterial blood, and elevated carbon dioxide in the body indicates that there are certain obstacles in the ventilation and gas exchange functions of the lungs. General cardiovascular and respiratory diseases such as thoracic deformity, thoracic trauma, chronic obstructive pulmonary disease, pulmonary fibrosis, pulmonary heart disease, congenital heart disease, etc. can cause pulmonary ventilation and ventilation dysfunction. High hemoglobin carbon dioxide high may also be seen in other causes, should be combined with other tests to clarify the diagnosis, it is recommended that the patient exclude physiological causes, and then go to the hospital in time to avoid delaying the condition.