A steam-type air fryer, comprising a main body, wherein a chamber applicable for food to be placed is disposed in the main body; and a heating element, which is configured to heat water to produce hot steam which is introduced into the chamber, is disposed in the main body, wherein an air duct plate is disposed on an upper side of the chamber, and a hot air wind wheel and a heating tube are disposed in the air duct plate, wherein the upper side of the chamber has an opening and is hermetically connected with the air duct plate, and a front side of the chamber is open and is hermetically fitted with a door panel, so that the entire chamber is formed as an integral sealed structure; the steam-type air fryer further comprises a door sealing structure, wherein an openable door panel and a door frame matching the door panel are disposed on a side of the air fryer, an opening through which food is placed and removed is provided in a side of the chamber facing the door panel, and a second sealing ring is mounted between the door frame and the door panel, so that steam in the chamber will not leak from its opening; and the steam-type air fryer further comprises a water tank, wherein the water tank is mounted at a top of the steam-type air fryer and comprises a water tank body and an openable top cover located on a top of the water tank body. applicable for food to be placed is disposed in the main body; and a heating element, which is configured to heat water to produce hot steam which is introduced into the chamber, is disposed in the main body, wherein an air duct plate is disposed on an upper side of the chamber, and a hot air wind wheel and a heating tube are disposed in the air duct plate, wherein the upper side of the chamber has an opening and is hermetically connected with the air duct plate, and a front side of the chamber is open and is hermetically fitted with a door panel, so that the entire chamber is formed as an integral sealed structure; the steam-type air fryer further comprises a door sealing structure, wherein an openable door panel and a door frame matching the door panel are disposed on a side of the air fryer, an opening through which food is placed and removed is provided in a side of the chamber facing the door panel, and a second sealing ring is mounted between the door frame and the door panel, so that steam in the chamber will not leak from its opening; and the steam-type air fryer further comprises a water tank, wherein the water tank is mounted at a top of the steam-type air fryer and comprises a water tank body and an openable top cover located on a top of the water tank body. the steam-type air fryer further comprises a door sealing structure, wherein an openable door panel and a door frame matching the door panel are disposed on a side of the air fryer, an opening through which food is placed and removed is provided in a side of the chamber facing the door panel, and a second sealing ring is mounted between the door frame and the door panel, so that steam in the chamber will not leak from its opening; and the steam-type air fryer further comprises a water tank, wherein the water tank is mounted at a top of the steam-type air fryer and comprises a water tank body and an openable top cover located on a top of the water tank body.