Buying a courtyard house as an investment or residence required careful consideration of legal issues. As the courtyard house is a special form of real estate, its transaction and legal procedures are different from other real estate transactions. Therefore, please choose a professional lawyer to deal with all legal issues. There are a few things to consider when looking for a Siheyuan lawyer: 1. Understand the scope of the lawyer's business: When choosing a professional Siheyuan transaction lawyer, you should understand whether the scope of the lawyer's business includes Siheyuan transactions. 2. Take the reputation of lawyers as a reference: You can learn about the reputation and evaluation of lawyers through the Internet, social media, and other means. Choose lawyers with good reputation and high customer ratings. 3. Check the qualifications and background of the lawyer: You can check the qualifications and background of the lawyer to find out whether he has relevant legal experience and qualifications. 4. Consider the lawyer's fees: Buying a courtyard house is a large-scale project that requires a large amount of fees, including lawyer fees, litigation fees, arbitration fees, etc. Therefore, it was necessary to consider whether the lawyer's fees were reasonable and choose a lawyer with reasonable fees. Please select a professional Siheyuan lawyer to handle all legal issues. They can help formulate the transaction plan, draft legal documents to protect rights and interests, and provide support and advice to the client throughout the transaction process. If you need any further help, please contact me at any time.