Detergent dissolving device for washing machine, washing control method and washing machine

The invention relates to the technical field of washing machines, in particular to a detergent dissolving device for a washing machine, a washing control method and the washing machine. The detergentdissolving device comprises a water channel, a heating device and a detergent box, wherein the water channel is used for accommodating washing water for dissolving a detergent; a water inlet valve isarranged at one end of the water channel, and a water outlet valve is arranged at the other end of the water channel; the heating device is arranged in the water channel and used for heating the washing water in the water channel to a specified temperature; the detergent box is used for accommodating the detergent and used as a container for dissolving the detergent; a liquid inlet of the detergent box is connected with the water outlet valve through a pipeline, and a liquid outlet can be connected with a rotating drum of the washing machine through a pipeline. During water inflow, the washingwater can be heated by the