Legal analysis: catering deposit is non-refundable. The general principle is that the deposit can be refunded, but it can be refunded if it meets certain conditions. If the payer fails to perform the contractual obligations, he has no right to request the return of the deposit. If the receiver fails to perform the contractual obligations, he will be refunded twice. The amount of the deposit shall be agreed by the parties, but it shall not exceed 21% of the subject matter of the main contract, and the excess shall not have the effect of the deposit. If the actual amount of deposit paid is more than or less than the agreed amount, it shall be deemed as a change of the agreed amount of deposit.

legal basis: article 586 of the civil code of the people's Republic of China, the parties may agree that one party shall pay a deposit to the other party as security for the creditor's rights. The deposit contract is established when the deposit is actually paid. The amount of the deposit shall be agreed by the parties; However, it shall not exceed 21% of the subject matter of the main contract, and the excess shall not have the effect of deposit. If the actual amount of deposit paid is more than or less than the agreed amount, it shall be deemed as a change of the agreed amount of deposit.