An LED display panel includes main frame made of a lightweight material, a supporting component and a control box. The main frame includes a first end surface for mounting a display screen and a second end surface opposing the first end surface. The supporting component includes a supporting tube and a plurality of supporting members. Fixing parts are arranged on peripheral edges of the second end surface, and the plurality of supporting members are correspondingly mounted on the fixing parts. A tube fixing part is arranged on an end of the supporting member far away from the second end surface, and the supporting tube is fixed on the tube fixing part. A power supply, a control system and a signal transmission system are arranged in the control box, and the control system and the signal transmission system are electrically connected to the power supply.