A pintle-swirl hybrid injection device according to embodiments of the present disclosure is an injection device which is installed inside a housing that defines a combustion chamber to inject propellant toward the combustion chamber, and it includes a body in tubular shape, being installed in the housing, forming a passage through which the propellant is introduced, and being partially exposed to the combustion chamber, and an injection tip coupled with an end of the body exposed to the combustion chamber to inject the propellant introduced through the passage in a radial direction of the body, and at the same time, to inject the propellant to a direction of a central axis of the body.