Drinking system (1, 1', 1") with • a drinking vessel defining a receiving space for a liquid, • a drinking straw, arranged on the drinking vessel and projecting from the drinking vessel, which is inserted into the receiving space, with a first end having an inlet opening projecting in the direction of a bottom of the receiving space and with a second end having a drinking opening and with a suction channel between the inlet opening and the outlet opening • a fragrance reservoir (9, 9') loaded with fragrance, having an inflow opening (10, 10') for air and an outflow opening (11, 11') for fragrance-enriched air (9, 9'), wherein the drinking straw is connected or connectable with the outflow opening (11, 11') in order to suck in fragrance-enriched air emitting from the outflow opening (11, 11') of the fragrance reservoir (9, 9'), characterised by an injector pump arrangement which is connected with or integrated into the drinking straw and is connected with the suction channel by a main flow path surrounded by an outer wall or is part of the suction channel and which has a suction opening passing through the outer wall which is connected, or connectable, in terms of flow, with the outflow opening (11, 11') of the fragrance reservoir (9, 9'), wherein, in a direction pointing towards the second end of the drinking straw, the injector pump arrangement in any case has the following components integrated into the main flow path: • a jet nozzle, • an expansion chamber arranged immediately downstream of the jet nozzle in terms of flow and • a receiving nozzle arranged immediately downstream of the expansion chamber in terms of flow, wherein the suction opening opens into the expansion chamber. • a drinking vessel defining a receiving space for a liquid, • a drinking straw, arranged on the drinking vessel and projecting from the drinking vessel, which is inserted into the receiving space, with a first end having an inlet opening projecting in the direction of a bottom of the receiving space and with a second end having a drinking opening and with a suction channel between the inlet opening and the outlet opening • a fragrance reservoir (9, 9') loaded with fragrance, having an inflow opening (10, 10') for air and an outflow opening (11, 11') for fragrance-enriched air (9, 9'), wherein the drinking straw is connected or connectable with the outflow opening (11, 11') in order to suck in fragrance-enriched air emitting from the outflow opening (11, 11') of the fragrance reservoir (9, 9'), characterised by an injector pump arrangement which is connected with or integrated into the drinking straw and is connected with the suction channel by a main flow path surrounded by an outer wall or is part of the suction channel and which has a suction opening passing through the outer wall which is connected, or connectable, in terms of flow, with the outflow opening (11, 11') of the fragrance reservoir (9, 9'), wherein, in a direction pointing towards the second end of the drinking straw, the injector pump arrangement in any case has the following components integrated into the main flow path: • a jet nozzle, • an expansion chamber arranged immediately downstream of the jet nozzle in terms of flow and • a receiving nozzle arranged immediately downstream of the expansion chamber in terms of flow, wherein the suction opening opens into the expansion chamber. wherein the drinking straw is connected or connectable with the outflow opening (11, 11') in order to suck in fragrance-enriched air emitting from the outflow opening (11, 11') of the fragrance reservoir (9, 9'), characterised by an injector pump arrangement which is connected with or integrated into the drinking straw and is connected with the suction channel by a main flow path surrounded by an outer wall or is part of the suction channel and which has a suction opening passing through the outer wall which is connected, or connectable, in terms of flow, with the outflow opening (11, 11') of the fragrance reservoir (9, 9'), wherein, in a direction pointing towards the second end of the drinking straw, the injector pump arrangement in any case has the following components integrated into the main flow path: • a jet nozzle, • an expansion chamber arranged immediately downstream of the jet nozzle in terms of flow and • a receiving nozzle arranged immediately downstream of the expansion chamber in terms of flow, • a jet nozzle, • an expansion chamber arranged immediately downstream of the jet nozzle in terms of flow and • a receiving nozzle arranged immediately downstream of the expansion chamber in terms of flow, wherein the suction opening opens into the expansion chamber.