3.05 meters. FIBA requires the size of the backboard to be1.8m wide,1.05m high, and the vertical distance between the lower edge of the backboard and the ground to be 2.90m. It requires the front of the backboard to be flat and the front of the backboard to be drawn with lines. The back panel needs to be transparent, and white lines need to be drawn, and the width of the lines is 5 cm. Yao Fund hopes that the primary school basketball season has been held for seven consecutive years, with 920,000 rural children participating and benefiting from it. In 20 19, the scale of basketball season will continue to increase, covering more than 700 rural primary schools in 29 provinces and cities across the country.