Before filling out a cheque, you should check the following contents:
1、Check the authenticity of the cheque, including the bank name, cheque number, and other identifying information.
2、Verify the date of the cheque to ensure it is within the validity period.
3、Inspect the signature line to ensure it is clear and not tampered with.
4、Check the amount to be paid is correct and within the specified limit.
5、Ensure that all necessary information is provided, such as payee’s name, account number, etc.
In English, you can say: "Before writing a check, please verify its authenticity, date, signature line, amount, and all necessary information." Then you can proceed to fill out the check with confidence.