The invention relates to a cold storage refrigeration device. The device comprises a box body, an evaporator, a cold storage draught fan, a variable temperature draught fan and a wind shield. A cold storage chamber, a variable temperature chamber and an air flue behind the cold storage chamber and the variable temperature chamber are limited in the box body, the evaporator is placed in the air flue in the vertical direction and is used for carrying out heat exchange with air flowing through the evaporator, and cooling airflow is generated; the cold storage draught fan is arranged in the air flue and is controllably started when the cold storage chamber needs refrigeration, and therefore the cooling airflow is driven to flow to the cold storage chamber; the variable temperature draught fan is arranged in the air flue, and therefore when the variable temperature chamber needs refrigeration, the variable temperature draught fan is controllably started, and the cooling airflow is driven to flow to the variable temperature chamber; the wind shield is arranged in the air flue and is arranged to prevent cooling airflow from entering the variable temperature chamber when the variable temperature draught fan is in the stop state, and when the variable temperature draught fan is in the running state, the cooling airflow enters the variable temperature draught fan from bottom to top and then enters the variable temperature chamber. The temperature influence of the cold storage chamber on the variable temperature chamber is greatly reduced, the air heat exchange path of the variable temperature chamber is longer, and the wide variable temperature range is achieved.