At present, our retail enterprises are facing many challenges. As a large-scale listed company in retail service industry, how to ensure the normal operation of enterprises in the face of various tests and continuously improve their competitiveness has become a top priority. Based on the actual development of Tianhong Shopping Mall Co., Ltd., this paper uses financial analysis theory and method, calculates and analyses various profitability indicators, analyses the profitability and existing problems of Tianhong Shopping Mall Co., Ltd., and then puts forward suggestions to enhance profitability.