An optical cable connection apparatus, configured to connect an external optical cable and a drop optical cable, wherein the apparatus comprises: a first connection mechanism and a second connection mechanism, wherein: the first connection mechanism is detachably connected to the second connection mechanism; the first connection mechanism comprises a first connection assembly, and the second connection mechanism comprises a second connection assembly, wherein one end of the first connection assembly is connected to the external optical cable; and when the first connection mechanism is connected to the second connection mechanism, the other end of the first connection assembly is connected to one end of the second connection assembly, and the other end of the second connection assembly is connected to the drop optical cable; wherein the first connection mechanism comprises a first housing, the first connection assembly is located inside the first housing, and a first end of the first housing comprises a first opening through which the external optical cable passes; wherein the first connection mechanism further comprises a first body structure, the first connection assembly is disposed on the first body structure, one end of the first body structure is located inside the first housing, the other end of the first body structure extends outward from a second end of the first housing, and the second end of the first housing is connected to the first body structure; and the second connection mechanism is detachably connected to the end of the first body structure extending outward, wherein the second connection mechanism is in a threaded connection with the end of the first body structure extending outward; and wherein the first body structure comprises a first section and a second section that is located inside the first housing, the first connection assembly is disposed on the first section, the second section has a first through hole through which the external optical cable passes, and the first through hole is connected to the first opening; and a part of the first section is located inside the first housing and is connected to the second end of the first housing, and a part of the first section is located outside the first housing. a first connection mechanism and a second connection mechanism, wherein: the first connection mechanism is detachably connected to the second connection mechanism; the first connection mechanism comprises a first connection assembly, and the second connection mechanism comprises a second connection assembly, wherein one end of the first connection assembly is connected to the external optical cable; and when the first connection mechanism is connected to the second connection mechanism, the other end of the first connection assembly is connected to one end of the second connection assembly, and the other end of the second connection assembly is connected to the drop optical cable; the first connection mechanism is detachably connected to the second connection mechanism; the first connection mechanism comprises a first connection assembly, and the second connection mechanism comprises a second connection assembly, wherein one end of the first connection assembly is connected to the external optical cable; and when the first connection mechanism is connected to the second connection mechanism, the other end of the first connection assembly is connected to one end of the second connection assembly, and the other end of the second connection assembly is connected to the drop optical cable; wherein the first connection mechanism comprises a first housing, the first connection assembly is located inside the first housing, and a first end of the first housing comprises a first opening through which the external optical cable passes; wherein the first connection mechanism further comprises a first body structure, the first connection assembly is disposed on the first body structure, one end of the first body structure is located inside the first housing, the other end of the first body structure extends outward from a second end of the first housing, and the second end of the first housing is connected to the first body structure; and the second connection mechanism is detachably connected to the end of the first body structure extending outward, wherein the second connection mechanism is in a threaded connection with the end of the first body structure extending outward; and wherein the first body structure comprises a first section and a second section that is located inside the first housing, the first connection assembly is disposed on the first section, the second section has a first through hole through which the external optical cable passes, and the first through hole is connected to the first opening; and a part of the first section is located inside the first housing and is connected to the second end of the first housing, and a part of the first section is located outside the first housing.