The delivery robot can operate autonomously and simplifies the tedious and complex logistics tasks, which makes the daily transportation tasks more efficient. Password is needed to open the storage compartment to ensure the security. In addition, by combining the elevator system, it can operate between multiple floors. With the COVID pandemic driving the need for unmanned delivery services, our Delivery Robots create tremendous values in ensuring delivery efficiency while minimizing human contact for public health control measures. Our latest model delivery robot equipped with 4 independent smart storage compartments, which can increase the capacity to store different items at the same time.