A thermal insulation container (100) for a cabinet of a refrigeration apparatus includes a plurality of foamed boards (10) and a connecting mechanism (20). At least two adjacent foamed boards (10) are connected by the connecting mechanism (20), The connecting mechanism (20) includes a first connecting member (210) and a second connecting member (220). A connecting hook (211) is rotatably provided on the first connecting member (210), and a fixing post (221) is rotatably provided on the second connecting member (220). An elastic protrusion (216) is provided on the first connecting member (210) or the second connecting member (220), and the elastic protrusion (216) is pressed by the connecting hook (211) during rotation. In a connection position, the connecting hook (211) is rotated to cooperate with the fixing post (221) and to be located between the fixing post (221) and the elastic protrusion (216). In a separation position, the connecting hook (211) is separated from the fixing post (221).