Air conditioner and refrigeration control method of air conditioner

The invention discloses an air conditioner and a refrigeration control method of the air conditioner. The air conditioner comprises an indoor unit, and the indoor unit comprises a first driving fan and a second driving fan; the heat exchange system comprises an indoor heat exchange module, a first refrigerant flow path control module and a second refrigerant flow path control module, the indoor heat exchange module comprises a first indoor heat exchanger set and a second indoor heat exchanger set, and the first refrigerant flow path control module comprises a plurality of liquid inlet branches and at least one indoor throttling valve; the liquid inlet branches are used for conveying refrigerants to the first indoor heat exchanger set and the second indoor heat exchanger set correspondingly, at least one liquid inlet branch communicating with the second indoor heat exchanger set is provided with an indoor throttling valve, and the second refrigerant flow path control module is used for conducting backflow on t