The self-developed welcoming robot is not only capable of performing the front desk welcoming work in hotels and office buildings, but its mystery and technological sense can also quickly attract people's attention and admiration. In addition to greeting guests proactively, welcoming them amicably and seeing them off politely, Huanhuan also has functions such as publicity and introduction, line inspection and explanation, human-machine interaction, business processing and guidance. At the same time, it opens secondary interfaces to conduct industry-specific secondary development of the functions of robots in different industries and scenarios, so as to meet the functional requirements of all industries and create a brand-new welcoming model.