First of all, you need to prepare the original purchase invoice, contract and transfer information. . . . . Use data to prove that you bought the house with money. . . . There is a loan. . Print out the monthly repayment record of your bank card. . . All these can prove that all the funds for the house are from you. . . Then sue each other. . . . The court will agree. . It has been ruled. . . I hope you can get your house back as soon as possible. . .