-- A balanced pollutant cleaning system, comprising: - a fan an air suction device , which is a range hood, and which is disposed above a gas stove ; - an air jet device comprising four hollow pipes connected end to end in sequence, internally communicated with each other and disposed around the gas stove , wherein each of the four hollow pipes is provided with a plurality of air jet ports on an outer peripheral face thereof, one of the hollow pipes is provided with an air inlet, what is connected with an air outlet of the fan through a pipeline, so that, when air is ejected from the plurality of air jet ports of each of the four hollow pipes , the ejected airflow forms air curtains around the gas stove , and wherein a size of the range hood is larger than an area enclosed by the air curtains; and - a control device comprising a control module , a gas flow-meter , a voltage controller , and a speed adjustment button ; wherein the control module is electrically connected to the gas flow-meter , the voltage controller , the speed adjustment button , and a drive circuit board of the range hood respectively, and the voltage controller is electrically connected to the fan ; wherein the air suction device is configured to suction away pollutants and heat generated by the gas stove and the air ejected from the plurality of air jet ports ; wherein the fan is configured to provide a stable airflow for the air jet device ; and wherein the control device is configured to control a magnitude of an airflow output from the fan , and adjust an air suction amount of the air suction device according to the magnitude of the airflow output from the fan . - a fan an air suction device , which is a range hood, and which is disposed above a gas stove ; - an air jet device comprising four hollow pipes connected end to end in sequence, internally communicated with each other and disposed around the gas stove , wherein each of the four hollow pipes is provided with a plurality of air jet ports on an outer peripheral face thereof, one of the hollow pipes is provided with an air inlet, what is connected with an air outlet of the fan through a pipeline, so that, when air is ejected from the plurality of air jet ports of each of the four hollow pipes , the ejected airflow forms air curtains around the gas stove , and wherein a size of the range hood is larger than an area enclosed by the air curtains; and - a control device comprising a control module , a gas flow-meter , a voltage controller , and a speed adjustment button ; wherein the control module is electrically connected to the gas flow-meter , the voltage controller , the speed adjustment button , and a drive circuit board of the range hood respectively, and the voltage controller is electrically connected to the fan ; wherein the air suction device is configured to suction away pollutants and heat generated by the gas stove and the air ejected from the plurality of air jet ports ; wherein the fan is configured to provide a stable airflow for the air jet device ; and wherein the control device is configured to control a magnitude of an airflow output from the fan , and adjust an air suction amount of the air suction device according to the magnitude of the airflow output from the fan . <EOS>