The invention discloses a bearing test device for a base keel. The bearing test device comprises a spring scale (2), reverse stress rods (3) and a stress bracket frame (8), wherein an upper stress transferring rod (4) is connected with the upper part of the spring scale (2), and is fixed to a keel to be tested through fastening nuts (1); a lower stress transferring rod (5) is connected to the lower part of the spring scale (2), and is fixed to the stress bracket frame (8) through an adjusting nut (9); the stress bracket frame (8) and the reverse stress rods (3) are connected into a whole; the top ends of the reverse stress rods (3) are propped against a fixing structure of a building. The bearing test device is simple in structure, convenient to operate, concise, beautiful, accurate in data, safe and reliable, does not need to be fixed to the base, improves the overall perception in the test process, can be produced in batches, and facilitates popularization.