EPDM rubber has excellent high and low temperature resistance and aging resistance, and can maintain good service performance for a long time under specified low temperature conditions when it is used to produce cold-resistant hose. EPDM reclaimed rubber is an ideal substitute material for EPDM rubber. When it is used with EPDM rubber to produce cold-resistant hose, the purpose of ensuring quality and reducing cost can be achieved through reasonable formula design. So what should be paid attention to when designing the formula of rubber hose using EPDM/reclaimed rubber to produce cold resistant rubber hose?