House prices have to be controlled？

　　From the large-scale discount promotion at the beginning of the year to the price increase in the middle of the year, the price of the domestic property market has experienced a seesaw movement in just half a year. Then, in view of all kinds of irregularities in the property market, various ministries and commissions have frequently issued documents in the past month or two to regulate them. Why did the real estate market soar in a short period of time? What is the reason to push the house price to a new high again?