The invention discloses automatic pasting and scanning equipment of embryos bar codes. The equipment comprises a PLC, a frame, and a bar code conveying and scanning unit and a bar code pasting unit arranged on the frame; the bar code conveying and scanning unit includes a feeding mechanism, a label stripping mechanism, a bar code storage table, a scanning module, a label detecting mechanism, a collecting mechanism and a guide mechanism; the bar code pasting unit includes a rotating cylinder, an extension cylinder fixedly connected with a cylinder rod of the rotating cylinder, and a bar code picking/releasing part fixedly connected with a cylinder rod of the extension cylinder; the collecting mechanism is connected with a driving motor for driving the collecting mechanism to collect materials; and the scanning module, the label detecting mechanism, the rotating cylinder, the extension cylinder, the bar code picking/releasing part and the driving motor are electrically connected with the PLC. The equipment has the beneficial effects of possession of automatic identifying and control capacity, guarantee accurate embryos production, possession of material identifying capacity, verification of material information and possession of a control operation step.