Side suction type range hood

The invention relates to a side suction type range hood which comprises a machine shell, an air suction plate and a flow guide plate are arranged on the machine shell, the air suction plate is obliquely arranged relative to the vertical direction, an oil collecting groove is formed in the bottom end of the machine shell, and the flow guide plate is used for guiding oil on the air suction plate into the oil collecting groove. One end of the oil collecting tank is connected with a water inlet pipe, one end, far away from the oil collecting tank, of the water inlet pipe is connected with a water source, a water inlet valve is arranged on the water inlet pipe, and the other end of the oil collecting tank is connected with a water outlet pipe. The end, away from a water source, of the water inlet pipe is connected with a feeding barrel used for adding detergent, the side wall of the feeding barrel is connected with a washing pipe, and the end, away from the feeding barrel, of the washing pipe is connected with the