A drying system and a drying device are provided; the drying system comprises a compressor, a condenser, a throttling arrangement, an evaporator, a heat absorption module, a housing, a blower fan and an auxiliary blower fan; the housing forms an air channel; the condenser is used for heating the air in the first air path; the heated air is conveyed into a drying container; the heat absorption module is arranged by the exhaust side of the air channel, and configured to absorb heat from the air channel; the blower fan allows air to enter the drying container through the air channel, the air passes the heat absorption module, and is exhausted outdoor; the evaporator is fixed on the other portion of the air channel, and absorbs heat from air; the auxiliary blower fan is used for driving air to flow pass the evaporator, and the air is exhausted outdoor or outside a room; the evaporator, the condenser and the heat absorption module are used for heating up the air entered the drying container, and reasonably distributing recyclable heat, thus effectively utilizing air heat, and improving drying efficiency of the drying system and drying device.