Large real estate companies' competitiveness is influenced by factors like profitability, capital ability, management skills, human resources, brand name, and innovation. The study found that management and operation ability plays a key role in improving competitiveness, while capital sources act as intermediaries for brand names. Factors like landbank area, quality, and sales have a significant impact on competitiveness, while marketing innovation and payment collection have a smaller effect. These findings provide practical insights for enhancing the sustainable development of real estate enterprises in the future.