1. You can follow official website, social media account or official WeChat account. Official channels will regularly publish activities of redeeming codes or coupons for users to collect for free.

2. If you are hungry, you will hold activities with some official WeChat accounts. By participating in these activities, you will have the opportunity to get redemption codes or coupons. You can pay attention to some official WeChat accounts that cooperate with Hungry, and participate in activities to get free redemption codes.