Determine the size of the enterprise by business income. Xiamen on the enterprise recognition standards by business income to determine the size of the enterprise, above-scale industrial: annual main business income of 20 million yuan and above the industrial legal entity; above the limit of the wholesale and retail trade: annual main business income of 20 million yuan and above the wholesale trade, annual main business income of 5 million yuan and above the retail trade units; above the limit of the lodging and catering: annual main business income of 2 million yuan and above the lodging and catering industry units. Accommodation and catering industry units with annual main business revenue of 2 million yuan and above. Regulation enterprises are conducive to the enhancement of corporate image, can get government subsidies, have strong financial strength and rich resources.