3.2%。 Official website, Chengdu Bank, inquired that Dudu Card is a special deposit product for children in Chengdu, which has the characteristics of low threshold and relatively high interest rate. 50 yuan can enjoy a deposit interest rate of 3.2%; The initial deposit of Minsheng Peer Card 100 yuan can enjoy 3.2% interest rate; Hengfeng bank launched "Xiang Zhen Cun-Baby Exclusive Savings Product", starting from 1 1,000 yuan, with a term of 3 years and an annualized interest rate of 3.4%.