1. Decreased number of buyers: With the change of market economy, in three years, the northeast property market cooled down, the number of buyers decreased, and the house price in Dalian plummeted.

2. Serious population aging: within three years, the population aging is serious, the number of young people is decreasing, the pressure of buying houses is high, and the demand for buying houses is decreasing, which leads to a sharp drop in housing prices in Dalian.