The internal demand structure is out of balance. The economic index to measure the insufficient (Consume) of consumer demand is the growth rate of real GDP minus the difference of the real final consumption growth rate. The economic index to measure overinvestment (Investment) is: the real fixed asset investment growth rate minus the real GDP growth rate difference. (2) the external demand structure is out of balance. Excessive export (Export), which measures the imbalance of external demand structure, is the difference between export growth rate and GDP growth rate.