Between 2016 and 2020, the net worth multiplier for European homes fell from 1.93 in 2016 to 1.58 in 2015 and 2002. The proper use of financial leverage in European housing has also greatly affected its profitability. When the company can control the risk within a reasonable range, it should increase the enterprise equity multiplier, improve the profitability of the enterprise, and arrange the equity structure reasonably.