The invention discloses a 
laundry detergent adding device for a household intelligent washing 
machine. The 
laundry detergent adding device comprises an adding tank body, an adding structure, a pressing block, a pressing rod, a clamping strip, a spring, a mounting block, a through hole, a storage chamber and a 
bottle cap structure. The 
laundry detergent adding device has the beneficial effects thata user opens the 
bottle cap structure, pours a 
laundry detergent into the adding tank body and closes the 
bottle cap structure, a pressing plate is pressed by hand during clothes washing, the pressing plate drives the pressing rod to slide in the mounting block, the clamping strip slides in the mounting block, and the spring is compressed; and the bottom end of the pressing rod slides in the through hole, the 
laundry detergent flows into the storage chamber from the interior of the adding tank body and flushes into the washing 
machine through 
water flow, residual laundry detergents and 
dirt in the washing 
machine are prevented from flowing into a washing 
barrel to be repeatedly used through the adding structure, and the 
laundry detergent can be stored in the adding tank body, so that repeated use is facilitated, the clothes washing efficiency is improved, and the clothes washing effect is greatly improved.