An optical module, comprising: a first adjusting screw rod provided along a first direction (a) and configured to adjust a position of a component in the first direction (a); a first anti-loosening assembly configured to lock the first adjusting screw rod after position adjustment of the first adjusting screw rod; a second adjusting screw rod provided along the first direction (a) and configured to adjust a position of a component in a second direction (b); a second anti-loosening assembly configured to lock the second adjusting screw rod after position adjustment of the second adjusting screw rod; a frame; a support assembly; and wherein the to-be-adjusted component is provided on the support assembly, the support assembly is movably supported within the frame, wherein the optical module further comprises a redirecting adjustment assembly, the optical module being characterized in that the support assembly comprises a first support member, a second elastic member, and a second support member, the second support member is elastically supported within the first support member along the second direction (b) through the second elastic member; and wherein the redirecting adjustment assembly comprises a first wedge-shaped portion fixedly connected to the second support member, and a second wedging-shaped portion threaded to the second adjusting screw rod and movably disposed within the support assembly along the first direction (a), the first wedge-shaped portion comprises a first wedge-shaped surface (c), and the second wedge-shaped portion comprises a second wedge-shaped surface (d) matching the first wedge-shaped surface (c), the second adjusting screw rod is configured to drive, during rotation, the second wedge-shaped portion to move along the first direction (a), and in turn drive the first wedge-shaped portion to move along the second direction (b), so that the second support member drives the to-be-adjusted component to move relative to the first support member in the second direction (b). a first adjusting screw rod provided along a first direction (a) and configured to adjust a position of a component in the first direction (a); a first anti-loosening assembly configured to lock the first adjusting screw rod after position adjustment of the first adjusting screw rod; a second adjusting screw rod provided along the first direction (a) and configured to adjust a position of a component in a second direction (b); a second anti-loosening assembly configured to lock the second adjusting screw rod after position adjustment of the second adjusting screw rod; a frame; a support assembly; and wherein the to-be-adjusted component is provided on the support assembly, the support assembly is movably supported within the frame, wherein the optical module further comprises a redirecting adjustment assembly, the optical module being characterized in that the support assembly comprises a first support member, a second elastic member, and a second support member, the second support member is elastically supported within the first support member along the second direction (b) through the second elastic member; and wherein the redirecting adjustment assembly comprises a first wedge-shaped portion fixedly connected to the second support member, and a second wedging-shaped portion threaded to the second adjusting screw rod and movably disposed within the support assembly along the first direction (a), the first wedge-shaped portion comprises a first wedge-shaped surface (c), and the second wedge-shaped portion comprises a second wedge-shaped surface (d) matching the first wedge-shaped surface (c), the second adjusting screw rod is configured to drive, during rotation, the second wedge-shaped portion to move along the first direction (a), and in turn drive the first wedge-shaped portion to move along the second direction (b), so that the second support member drives the to-be-adjusted component to move relative to the first support member in the second direction (b).