Linxia bought a house of 654.38 million. If it is the first suite, the down payment ratio is 30%, and the down payment ratio is 654.38 million * 30% = 30,000. If it is a second suite, the down payment ratio is 50%, and the down payment ratio is 654.38 million * 50% = 50,000. The specific down payment amount needs to be comprehensively considered according to housing area, loan policy, personal credit information and other factors.