The invention discloses a pediatric bone marrow puncture needle, which comprises a needle body. The pediatric bone marrow puncture needle is characterized in that a needle tip is arranged at the front end of the needle body, a handle is arranged at the end of the needle tip, a transparent catheter is arranged at the end of the handle, a needle tail is arranged at the end of the transparent catheter, a sheet handle is arranged at the side of the needle tail, an opening is arranged between the transparent catheter and the needle tail, a sleeve is arranged at the opening, a needle core is arranged in the needle tip, the transparent catheter and the needle tail, and a needle core cap is fixedly connected with the end of the needle core. When the pediatric bone marrow puncture needle is operated, force can be more conveniently applied, working efficiency is increased, the pain of a patent is decreased, moreover, the pediatric bone marrow puncture needle can be conveniently unblocked, and the amount of extracted bone marrow can be accurately controlled.