Cooking fume remover with being taken in and spread-out function

The invented range hood consists of range hood main body and seat body, on the front and rear side of the two lateral plates of the seat body there are straight slot and arc slot respectively. On therange hood main body lateral plates which direct to the straight slot and arc slot of the seat body, there are guide axles with screw hole on the end portion. Said two guide axles pass through the straight slot and arc slot from inside to outside separately to make range hood main body possess moving and adjusting functions, i. e. it can be taken into a flat back form or extended into an oblique back form. Thus the purpose of both strong result of exhausting fume and packing capacity reduction can be obtd..