Heating and cooling bed for pediatric department

The utility model discloses a heating and cooling bed for pediatrics, and relates to the field of pediatrics, the heating and cooling bed for pediatrics comprises a bed body, supporting legs are fixed at the lower end of the bed body, four first fences which are symmetrically distributed are fixed at two ends of the bed body, two second fences which are symmetrically distributed are fixed at two ends of the bed body, a water circulation mechanism is arranged below the bed body, and a mattress mechanism is arranged on the bed body; and a back cushion mechanism is arranged on the bed. When the cooling bed needs to be used, water is injected into the water circulation mechanism firstly, then the water circulation mechanism is started, the temperature of the mattress mechanism starts to be reduced, then the water absorbing heat of the mattress enters the water circulation mechanism again to be cooled, the mattress mechanism keeps low temperature after the operation is repeated, and then a patient needing to be co