1. Check the reservation or registration terms: Before canceling, you need to check the previous reservation or registration terms to understand the cancellation policy and possible fees.

2. Advance notice: when deciding to cancel, you need to inform the relevant person in charge or customer service staff in advance, explain the reason for cancellation and confirm the cancellation process.

3. Choose the right channel: you can contact the relevant person in charge or customer service staff by telephone, email or online customer service. , and choose the appropriate channels for communication and confirmation. Disputes.

4. Abide by the cancellation policy: when canceling, you need to abide by the previous reservation or registration terms, and operate according to the prescribed cancellation policy to avoid generating additional expenses or