An organic electroluminescent device, comprising a base substrate, a packaging structure, an organic electroluminescent structure located between the base substrate and the packaging structure, and a flexible printed circuit board; the base substrate being provided with a peripheral wiring structure electrically connected with an internal wiring of the organic electroluminescent structure; the peripheral wiring structure including a welding part, wherein the welding part has a first surface facing the base substrate, at least a portion of the first surface being exposed to electrically connect with a welding terminal of the flexible printed circuit board, characterized by one of the following two alternatives: according to a first alternative: the peripheral wiring structure further includes a peripheral wiring (334, 341, 342, 343; 3611, 352, 353, 354) electrically connected with the internal wiring of the organic electroluminescent structure, and a diffusion circuit wiring (3511, 3512, 3513, 3514) for connecting the welding part and the peripheral wiring (334, 341, 342, 343; 3611, 352, 353, 354); the peripheral wiring structure is divided into a first wiring layer (34; 35) and a second wiring layer (33; 36), the first wiring layer (34; 35) is located between the second wiring layer (33; 36) and the base substrate; and the welding part is arranged in the first wiring layer (34; 35), the diffusion circuit wiring (3511, 3512, 3513, 3514) and at least a portion of the peripheral wiring are arranged in the first wiring layer (34; 35), a contact part (331, 332, 333; 361, 362, 363, 364) is arranged in the second wiring layer (33; 36), the peripheral wiring structure arranged in the first wiring layer (34; 35) and the peripheral wiring structure arranged in the second wiring layer (33; 36) are electrically connected through the contact part (331, 332, 333; 361, 362, 363, 364); or, according to a second alternative: the peripheral wiring structure further includes a peripheral wiring electrically connected with the internal wiring of the organic electroluminescent structure, and a diffusion circuit wiring for connecting the welding part and the peripheral wiring, the peripheral wiring structure is divided into a third wiring layer, a fourth wiring layer and a fifth wiring layer, which are sequentially arranged in a direction from the base substrate to the organic electroluminescent structure, wherein, the welding part is arranged in the third wiring layer; the diffusion circuit wiring (3711, 3721, 3731, 3741) and the peripheral wiring (371, 372, 373, 374) are arranged in the fourth wiring layer, and the fourth wiring layer is provided with a contact part (375, 376, 377) electrically connected with the third wiring layer; the fifth wiring layer is provided with a contact part (381, 382, 383, 384) which is electrically connected with the peripheral wiring (371, 372, 373, 374) and the internal wiring of the organic electroluminescent structure. according to a first alternative: the peripheral wiring structure further includes a peripheral wiring (334, 341, 342, 343; 3611, 352, 353, 354) electrically connected with the internal wiring of the organic electroluminescent structure, and a diffusion circuit wiring (3511, 3512, 3513, 3514) for connecting the welding part and the peripheral wiring (334, 341, 342, 343; 3611, 352, 353, 354); the peripheral wiring structure is divided into a first wiring layer (34; 35) and a second wiring layer (33; 36), the first wiring layer (34; 35) is located between the second wiring layer (33; 36) and the base substrate; and the welding part is arranged in the first wiring layer (34; 35), the diffusion circuit wiring (3511, 3512, 3513, 3514) and at least a portion of the peripheral wiring are arranged in the first wiring layer (34; 35), a contact part (331, 332, 333; 361, 362, 363, 364) is arranged in the second wiring layer (33; 36), the peripheral wiring structure arranged in the first wiring layer (34; 35) and the peripheral wiring structure arranged in the second wiring layer (33; 36) are electrically connected through the contact part (331, 332, 333; 361, 362, 363, 364); or, according to a second alternative: the peripheral wiring structure further includes a peripheral wiring electrically connected with the internal wiring of the organic electroluminescent structure, and a diffusion circuit wiring for connecting the welding part and the peripheral wiring, the peripheral wiring structure is divided into a third wiring layer, a fourth wiring layer and a fifth wiring layer, which are sequentially arranged in a direction from the base substrate to the organic electroluminescent structure, wherein, the welding part is arranged in the third wiring layer; the diffusion circuit wiring (3711, 3721, 3731, 3741) and the peripheral wiring (371, 372, 373, 374) are arranged in the fourth wiring layer, and the fourth wiring layer is provided with a contact part (375, 376, 377) electrically connected with the third wiring layer; the fifth wiring layer is provided with a contact part (381, 382, 383, 384) which is electrically connected with the peripheral wiring (371, 372, 373, 374) and the internal wiring of the organic electroluminescent structure.