The maximum amount of China Bank UnionPay debit card in consumption abroad is RMB 30,000. According to relevant public information, as the UnionPay debit card of China Bank belongs to the payment system in China, it can bear up to 30,000 RMB overseas, which is determined according to the policy of the payment system in China. In order to protect consumers' property safety, China payment system requires that the consumption abroad limit should not exceed RMB 30,000, so the consumption abroad limit of Bank of China UnionPay debit card should not exceed this amount.