How to solve the civil dispute of water leakage upstairs and downstairs?

1. negotiated solution: the upstairs and downstairs owners can negotiate to solve the water leakage problem first, such as repairing water pipes and replacing water pipes. If the upstairs owner admits the responsibility, he can discuss the compensation plan. 2. Mediation: If negotiation fails, you can apply to the property management company or neighborhood committee for mediation. The mediator will listen to the opinions of both parties and coordinate them to reach an agreement. 3. Litigation settlement: If negotiation and mediation fail, the downstairs owner can bring a lawsuit to the court and ask the upstairs owner to bear the losses and compensation caused by water leakage. No matter which way to solve the problem, both parties should keep calm and communicate rationally, and try to avoid emotional behavior in order to reach a fair and reasonable solution.