Binocular vision uses the parallax principle of the human eye to obtain 3D information of an object. which is widely used as an important means of acquiring 3D information for 3D reconstruction tasks. To improve the accuracy and efficiency of 3D reconstruction. we propose a 3D reconstruction method that combines second-order semiglobal matching. https://www.bekindtopets.com/save-now-9-6-Adjustable-Front-Shock-Absorber-for-the-TaoTao-GK110-Go-Kart-big-deal/