The present application provides an improved range hood and a housing component thereof. The range hood provided in the present application includes an electrostatic absorption apparatus (1) and a high-voltage power supply module (2) that supplies power to the electrostatic absorption apparatus (1), the high-voltage power supply module (2) supplies power to the electrostatic absorption apparatus (1) by means of insertion connection. The technical solution of the present application can be used to reduce hidden dangers.