Teaching desk with dust removal function

A teaching desk with a dust removal function comprises side face dust suction ports, a teaching desk body, air outlet notches, a desk top, a desk top dust suction port, a displayer, a host box, a water tank, a suction ventilator, cleaning pipes and hoses, wherein the host box and the water tank are arranged in the teaching desk body, a dust suction chamber with the suction ventilator is connected to the water tank in a sealing mode, three air suction ports are formed in the top of the dust suction chamber, connected with the two side face dust suction ports through hoses respectively and further connected with the desk top dust suction port, the air outlet end of the dust suction chamber is connected with the cleaning pipes, and two air outlet holes are formed in the tank wall of the upper end of the water tank and connected with the air outlet notches in the desk top through the other hoses. The teaching desk is simple in structure, can suck chalk dust in a classroom completely and keep air in the classroom