A single pushbutton device for switching to output water with multiple spray patterns comprising: a housing being tubular and having a front end, a rear end and a hole formed through a peripheral wall of the housing; a bushing mounted inside the top end of the housing; a button mounted through the hole of the housing; characterized in that: a bubbler is mounted inside the bushing; the single pushbutton device further comprises: a water channel assembly including: a water tube having: a front portion connected with the bushing; a rear portion; and multiple recesses formed in the water tube and located around the water tube; multiple abutting insert respectively mounted and being movable in the recesses of the water tube, each abutting insert having a nose formed on a top thereof; and multiple first spring, each first spring mounted between the a corresponding abutting insert and the water tube; a rotary assembly mounted around the water channel assembly and having: a rotary sleeve having a front end, a rear end, and a bump formed on an inner wall of the rotary sleeve; a ratchet mounted on the rear end of the rotary sleeve, wherein the rear portion of the water tube is connected with the ratchet; and a pressing frame mounted through the ratchet, mounted inside the housing, and having a projected portion formed on a top portion of the pressing frame; and the button is mounted on the projected portion of the pressing frame. a housing being tubular and having a front end, a rear end and a hole formed through a peripheral wall of the housing; a bushing mounted inside the top end of the housing; a button mounted through the hole of the housing; a bubbler is mounted inside the bushing; the single pushbutton device further comprises: a water channel assembly including: a water tube having: a front portion connected with the bushing; a rear portion; and multiple recesses formed in the water tube and located around the water tube; multiple abutting insert respectively mounted and being movable in the recesses of the water tube, each abutting insert having a nose formed on a top thereof; and multiple first spring, each first spring mounted between the a corresponding abutting insert and the water tube; a rotary assembly mounted around the water channel assembly and having: a rotary sleeve having a front end, a rear end, and a bump formed on an inner wall of the rotary sleeve; a ratchet mounted on the rear end of the rotary sleeve, wherein the rear portion of the water tube is connected with the ratchet; and a pressing frame mounted through the ratchet, mounted inside the housing, and having a projected portion formed on a top portion of the pressing frame; and a water channel assembly including: a water tube having: a front portion connected with the bushing; a rear portion; and multiple recesses formed in the water tube and located around the water tube; multiple abutting insert respectively mounted and being movable in the recesses of the water tube, each abutting insert having a nose formed on a top thereof; and multiple first spring, each first spring mounted between the a corresponding abutting insert and the water tube; a water tube having: a front portion connected with the bushing; a rear portion; and multiple recesses formed in the water tube and located around the water tube; a front portion connected with the bushing; a rear portion; and multiple recesses formed in the water tube and located around the water tube; multiple abutting insert respectively mounted and being movable in the recesses of the water tube, each abutting insert having a nose formed on a top thereof; and multiple first spring, each first spring mounted between the a corresponding abutting insert and the water tube; a rotary assembly mounted around the water channel assembly and having: a rotary sleeve having a front end, a rear end, and a bump formed on an inner wall of the rotary sleeve; a ratchet mounted on the rear end of the rotary sleeve, wherein the rear portion of the water tube is connected with the ratchet; and a rotary sleeve having a front end, a rear end, and a bump formed on an inner wall of the rotary sleeve; a ratchet mounted on the rear end of the rotary sleeve, wherein the rear portion of the water tube is connected with the ratchet; and a pressing frame mounted through the ratchet, mounted inside the housing, and having a projected portion formed on a top portion of the pressing frame; and the button is mounted on the projected portion of the pressing frame.