A support and cushioning device for supporting and holding an electronic device includes a first supporting assembly, a fixed bracket, an adjusting board, and a plurality of elastic members. The adjusting board is mounted to the distal end of the first support assembly. The fixed bracket is elastically mounted to the adjusting board by means of a plurality of elastic members. The fixed bracket includes a base body and a plurality of holding arms extending out from a periphery of the base body. The plurality of holding arms and the base body cooperatively define a holding space for holding an electronic device.