Engel, a German economist, has found that the poor spend less on food than the rich  The real difference is in luxury spending  Thus, the greater the proportion of food expenditure in a household's total expenditure, the poorer the family is  However, all levels of China's residents to the purchase of household appliances as the representative of high-end consumer goods as the first goal of the family struggle, this goal is achieved, only then consider improving the necessary consumption such as food
China should appropriately reduce food prices
 As a result, there is little difference between the poor and the rich in spending on luxury, and the difference is clearly on necessity expenses such as eating