The utility model relates to a Ruhr connection device and a blood vessel entering apparatus containing the same. The disclosed Ruhr connection device comprises a shell possessing a side wall, a near end and a far end, wherein the side wall is provided with an internal surface spacing a cavity containing a center axis; the far end comprises a male Ruhr tip point in the cavity; the male Ruhr tip point is provided with a flow diverter; and the flow diverter outwardly extends from the center axis, so that fluid can be introduced to a surrounding dead zone of a far side of the male Ruhr tip point. A Ruhr connection device is further disclosed; the Ruhr connection device is equipped with flow expansion channels; the flow expansion channels are arranged in the cavity and gradually shrink from the wall of a pipe type shell toward outside; and the flow expansion channels extend along a longitudinal axis from a tip point opening to a bottom opening part, so that mixture and flow of a surrounding dead zone in a fluid path of a far side of the male Ruhr tip point can be increased.