Sports type breathing mask

The invention discloses a sports type breathing mask. The sports type breathing mask comprises a mask body and ear bands mounted on the two sides of the mask body. At least one suction hole and at least one one-way exhaust hole are formed in the mask body. The sports type breathing mask further comprises a breathing valve, an adjusting assembly and a first filtering piece. The breathing valve is mounted on the suction hole, a mounting cavity is formed in the breathing valve, the exterior communicates with the suction hole through the mounting cavity, and a second filtering piece is arranged atthe joint of the bottom of the mounting cavity and the suction hole. The adjusting assembly is mounted in the mounting cavity, and the adjusting assembly is provided with an acting end. The first filtering piece is mounted at the acting end, and the adjusting assembly can drive the first filtering piece to be away from or close to the second filtering piece. Multiple filtering tooth pieces are arranged on the surfaces of