Support stand for electronic device

A support stand comprising:

• a first support assembly;
• a second support assembly spaced from the first support assembly;
• a first connecting assembly pivotably connecting between the first support assembly and the second support assembly;
• a second connecting assembly opposite to the first connecting assembly, the second connecting assembly pivotably connecting between the first support assembly and the second support assembly;
• wherein the first support assembly comprises two first support mechanisms pivotably connected to each other, each first support mechanism comprises a main body and a first support rod hinged on the main body in a first direction;
• when the first support rods rotate around the first direction to a back side of the support stand, the first connecting assembly and the second connecting assembly are tilted by the first support rods and the second support assembly.