An adjusting module, comprising: a frame (110a, 110b), an optical assembly (120a, 120b), an elastic assembly (130a, 130b) and at least one adjusting member (140a1, 140a2), wherein the optical assembly (120a, 120b) is fixed to the elastic assembly (130a, 130b); the elastic assembly (130a, 130b) is detachably assembled on the frame (110a, 110b), and the elastic assembly (130a, 130b) comprises a fixing portion (131a, 131b), a first elastic portion (133a, 133b) and a second elastic portion (135a, 135b), wherein: the fixing portion (131a, 131b) is fixed to the optical assembly (120a, 120b); the first elastic portion (133a, 133b) comprises a first hook (133a1, 133b1) and a first elastic arm (133a2, 133b2) connected to each other, wherein the first elastic arm (133a2, 133b2) is connected to the fixing portion (131a, 131b), and the first hook (133a1, 133b1) is assembled to the frame (110a, 110b); and the second elastic portion (135a, 135b) comprises a second hook (135a1, 135b1) and a second elastic arm (135a2, 135b2) connected to each other, wherein the second elastic arm (135a2, 135b2) is connected to the fixing portion (131a, 131b), and the second hook (135a1, 135b1) is assembled to the frame (110a, 110b); the frame (110a, 110b) has at least one through hole (115a, 117a, 115b), and the at least one adjusting member (140a1, 140a2) penetrates through the at least one through hole (115a, 117a, 115b) and leans against the optical assembly (120a, 120b). the optical assembly (120a, 120b) is fixed to the elastic assembly (130a, 130b); the elastic assembly (130a, 130b) is detachably assembled on the frame (110a, 110b), and the elastic assembly (130a, 130b) comprises a fixing portion (131a, 131b), a first elastic portion (133a, 133b) and a second elastic portion (135a, 135b), wherein: the fixing portion (131a, 131b) is fixed to the optical assembly (120a, 120b); the first elastic portion (133a, 133b) comprises a first hook (133a1, 133b1) and a first elastic arm (133a2, 133b2) connected to each other, wherein the first elastic arm (133a2, 133b2) is connected to the fixing portion (131a, 131b), and the first hook (133a1, 133b1) is assembled to the frame (110a, 110b); and the second elastic portion (135a, 135b) comprises a second hook (135a1, 135b1) and a second elastic arm (135a2, 135b2) connected to each other, wherein the second elastic arm (135a2, 135b2) is connected to the fixing portion (131a, 131b), and the second hook (135a1, 135b1) is assembled to the frame (110a, 110b); the frame (110a, 110b) has at least one through hole (115a, 117a, 115b), and the at least one adjusting member (140a1, 140a2) penetrates through the at least one through hole (115a, 117a, 115b) and leans against the optical assembly (120a, 120b). the fixing portion (131a, 131b) is fixed to the optical assembly (120a, 120b); the first elastic portion (133a, 133b) comprises a first hook (133a1, 133b1) and a first elastic arm (133a2, 133b2) connected to each other, wherein the first elastic arm (133a2, 133b2) is connected to the fixing portion (131a, 131b), and the first hook (133a1, 133b1) is assembled to the frame (110a, 110b); and the second elastic portion (135a, 135b) comprises a second hook (135a1, 135b1) and a second elastic arm (135a2, 135b2) connected to each other, wherein the second elastic arm (135a2, 135b2) is connected to the fixing portion (131a, 131b), and the second hook (135a1, 135b1) is assembled to the frame (110a, 110b); the frame (110a, 110b) has at least one through hole (115a, 117a, 115b), and the at least one adjusting member (140a1, 140a2) penetrates through the at least one through hole (115a, 117a, 115b) and leans against the optical assembly (120a, 120b).