Furniture is one of the best design element in interior design. But what afurniture should do can be determined by it’s function. So, function followsfurniture.Function tells about how space should work upon. Analyzing the space and thendesign it according to its activities. Furniture will always marks the space foritself because it is the basic need of every individual in their live-in space.Functioned furniture can be ready –made or custom designed. Moreover thesize of furniture always depends upon the need of human being. Every furnitureis made by keeping the need and function in mind. Function determines what apiece of furniture should do i.e. sleeping(bed),studying(table),seating(chairs)etc.function also decides which type of furniture, furnishings ; decorativeaccessories are needed for the interior space.HOW? 2F WORK TOGETHER IN INTERIORDESIGNFunctionality furniture matters the most,when the space is beingplanned by interior designer because furniture clearly defines howthe space functions. Placing of furniture is an essential part ofplanning.Space designing involves free circulation. Free circulation meansgiving enough space of every human being to carry own theiractivities easily.Thus, this defines furniture act as both circulatory ;functional element in interior design.Interior designer always focus on the function,the purpose,thedurability,the flexibility and lastly the finished look because,furnituredesign is a way of expressing the individual’s personal stylestatement. Interior designer always select furniture that juxtaposedwith their design concept. Interior designers always select the colorof furniture wisely.Furnishing a small size bedroom is always a challenge to anydesigner. We can place bed at any angle, white walls and ceilingsgive expandable look, mirror on wardrobes & etc. Built in cupboardsare superb space saver. Beds with built in storage also helps in extraspace.On the whole, furniture matters a lot when planning is implementedto any space as furniture always brings function.