There is provided an inkjet printing apparatus capable of performing a printing operation to eject ink from an ejection port provided for a print head to a print medium while covering the ejection port with a capping portion in a standby state in which the printing operation is not performed, the apparatus including: a humidifying unit configured to perform a humidification operation to humidify a space formed between the capping portion and the print head in the standby state; and a control unit configured to cause the humidifying unit to perform the humidification operation on the space in the standby state, wherein the control unit suspends the humidification operation at a predetermined timing after performing the humidification operation multiple times.