The invention discloses an anti-seismic detection device and method for power equipment. The device comprises a frame, a vibration test assembly, a test sensor, a controller and a touch control display, wherein the vibration test assembly comprises a test bench and a vibration mechanism; the test bench comprises a top wall, a bottom wall and a side wall, the top wall and the side wall are movablyconnected, and the top wall can move vertically relative to the bottom wall; the vibration mechanism comprises a first rack, a supporting plate, a second rack and a first driving piece, the first rackis fixedly connected with the bottom surface of the top wall of the test bench, the supporting plate is arranged on the test bench, the second rack is slideably arranged on the top surface of the supporting plate, and the first driving piece is arranged on the test bench and is connected with one end of the second rack; the output end of the test sensor is connected with the input end of the controller; and the data transmission end of the touch control display is connected with the data transmission end of the controller. Anti-seismic performance detection can be carried out on the power equipment before mounting, and all pieces of power equipment put into use can be ensured to meet the requirements of anti-seismic performance.