The application discloses a kind of humidification equipment and its humidification method, device and storage medium, and the humidification equipment includes humidification piece and
refrigerant circuit, and
refrigerant circuit is sequentially connected by compressor, first
heat exchanger, adjusting piece and second
heat exchanger to form, adjusting piece includes first throttling piece,
receiver and second throttling piece, one end of first throttling piece is connected with first
heat exchanger, the other end of first throttling piece is connected with one end of
receiver, one end of second throttling piece is connected with second heat exchanger, the other end of second throttling piece is connected with the other end of
receiver, and humidification piece is set corresponding to first heat exchanger and second heat exchanger, wherein the method comprises: obtaining the
refrigerant saturation temperature at the compressor exhaust port;According to the refrigerant saturation temperature, first throttling piece and second throttling piece are controlled to adjust the humidification capacity of humidification piece.