Share the QR code < / P > < p > with wechat scanning code to friends and circles of friends < / P > < p > tianyancha app shows that on December 21, Beijing Xiaomi Mobile Software Co., Ltd. obtained the patent authorization for the utility model of "foot robot", which was applied for in November last year < p > the summary shows that the patent enhances the flexibility of the robot through the leg components under the trunk body, and collects the user's state information through the sensor components, which can provide a basis for the control of the foot robot and improve the ability of the foot robot user's emotion perception and user companionship < p > in August this year, Xiaomi launched its first bionic quadruped robot, cyberdog, which Lei Jun called "iron egg". It is reported that iron egg not only has bionic movement gait, but also has bionic visual and auditory interactive experience. It can follow instructions and automatically follow the master's movement