The online 10 yuan 30 of Yuanzu without a threshold can be used in Yuanzu's official mall or store. The specific operation is as follows:

1. If you use this coupon within the validity period, it will not be returned after expiration.

2. Buy goods in the official shopping mall or store of Yuanzu, and confirm whether the order amount includes 10 yuan coupons.

3. Check the Use 10 yuan Voucher at the time of settlement, and settle the account after confirming that the information is correct.

It should be noted that Yuanzu 10 yuan coupons are only available in offline stores, and only one coupon can be used for each order.