An organic electroluminescent device (100, 200, 300, 400) comprising: a hole injection layer (120, 220, 320, 420) including a first doped layer (321, 421) and/or a second doped layer (322, 422), the first doped layer (321, 421) including a P-type dopant, and the second doped layer (322, 422) including a P-type dopant and a hole transport material; a hole transport layer (130, 230, 330, 430) formed on the hole injection layer (120, 220, 320, 420); and an electron blocking layer (140, 240, 340, 440) formed on the hole transport layer (130, 230, 330, 430); wherein a difference in HOMO energy level between the material of the electron blocking layer (140, 240, 340, 440) and the material of the hole transport layer (130, 230, 330, 430) is less than or equal to 0.2 eV; and characterized in that the hole transport material and the material of the hole transport layer (130, 230, 330, 430) are respectively selected from at least one of the structures shown by the formulas and: wherein A and B in the formula are each respectively selected from the group consisting of phenyl, naphthyl or anilino; wherein R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 15, R 16, R 17 and R 18 are respectively selected from one of hydrogen, halogen, CN, NO 2, amino, C6-C20 alkyl, and C6-C30 alcohol group; wherein R 9, R 10, R 11 and R 12 are respectively selected from one of hydrogen and C6-C30 aryl; wherein A1 and A2 in the formula are respectively selected from one of C6-C30 aryl and substituted or unsubstituted C6-C30 heterocyclic aryl, and R1' is selected from one of hydrogen, alkyl, alkoxy and base; and wherein the formula meets a condition that at least one of A1 and A2 has a constricted ring structure, that is, at least one of A1 and A2 has a cyclic structure containing an unsaturated bond. a hole injection layer (120, 220, 320, 420) including a first doped layer (321, 421) and/or a second doped layer (322, 422), the first doped layer (321, 421) including a P-type dopant, and the second doped layer (322, 422) including a P-type dopant and a hole transport material; a hole transport layer (130, 230, 330, 430) formed on the hole injection layer (120, 220, 320, 420); and an electron blocking layer (140, 240, 340, 440) formed on the hole transport layer (130, 230, 330, 430); wherein a difference in HOMO energy level between the material of the electron blocking layer (140, 240, 340, 440) and the material of the hole transport layer (130, 230, 330, 430) is less than or equal to 0.2 eV; and characterized in that the hole transport material and the material of the hole transport layer (130, 230, 330, 430) are respectively selected from at least one of the structures shown by the formulas and: wherein A and B in the formula are each respectively selected from the group consisting of phenyl, naphthyl or anilino; wherein R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 15, R 16, R 17 and R 18 are respectively selected from one of hydrogen, halogen, CN, NO 2, amino, C6-C20 alkyl, and C6-C30 alcohol group; wherein R 9, R 10, R 11 and R 12 are respectively selected from one of hydrogen and C6-C30 aryl; wherein A1 and A2 in the formula are respectively selected from one of C6-C30 aryl and substituted or unsubstituted C6-C30 heterocyclic aryl, and R1' is selected from one of hydrogen, alkyl, alkoxy and base; and wherein the formula meets a condition that at least one of A1 and A2 has a constricted ring structure, that is, at least one of A1 and A2 has a cyclic structure containing an unsaturated bond.