In recent years, with the rise of e-commerce in the Chinese market, the last mile delivery needs to be solved most. Robots are about to become the best assistant of mankind. It has great social and commercial value. JDL intelligent delivery robot is focuses on building delivery, used in indoor scenes such as office buildings, shopping malls and hospitals. Used for express delivery, food and others. Autonomous navigation, intelligent obstacle avoidance, independent return, autonomous call elevator.