1. Interpretation of the Supreme People's Court on the application of the "Civil Procedure Law of the People's Republic of China": Article 221 For disputes based on the same facts, the parties shall file lawsuits in the same People's Court respectively. , the People's Court may consolidate the cases. 2. The late delivery of the house sales contract is a matter of multiple similar facts rather than the same fact. When multiple owners appeal to the same court, the court can consolidate the cases with the consent of the parties, but should not consolidate them.