021 automatic bendable straw forming making machine is automatic used to bend the straight drinking straws into flexible ones. The machine is fully automatic from straight straws to flexible products, only need workers to add the straight straws in hopper. The straight straws are supplied from the hopper at the top of the machine, then clamped by 2 mechanical hand and feed one by one into the main drum of the machine. As the main drum rotates, the straw passes through 2 rotary dies to form indentation. After compressed by 2 mechanical hand, contraction-like folding indentation was formed. At last, the finished products output automatically. The main drum can run continuously with 12 straws. Moreover, this machine has a high speed production capacity.