Not less than 40%. However, if the employee's family owns 1 apartment and the corresponding housing loan has been settled, in order to improve the living conditions, he/she will apply for a housing provident fund entrusted loan to purchase ordinary self-occupied housing again, and the minimum down payment ratio is 30%. Article 26 of the Regulations on the Management of Housing Provident Fund stipulates that employees who have paid housing provident fund can apply for housing provident fund loans from the housing provident fund management center when purchasing, building, renovating or overhauling their own houses. The housing provident fund management center shall make a decision on whether to grant loans within 15 days from the date of accepting the application, and notify the applicant; Where a loan is granted, the entrusted bank shall go through the loan formalities. The risk of housing provident fund loans shall be borne by the housing provident fund management center.