Table leg convenient to assemble and table

The table leg comprises a first unit table leg body and a second unit table leg body which can be transversely and vertically placed, an upper vertical groove extending downwards is formed in the top face of the middle of the first unit table leg body, and a lower vertical groove extending upwards is formed in the bottom face of the middle of the second unit table leg body. The first unit table leg is connected with the second unit table leg in a combined mode through relative insertion matching between the upper vertical groove and the lower vertical groove. The tops of the side edges of the first unit table leg and the second unit table leg are provided with upper protruding parts used for supporting the table top plate, and the bottoms of the side edges of the first unit table leg and the second unit table leg are provided with lower protruding parts used for making contact with the ground. The table leg and the table are ideal in structural design, the first unit table leg and the second unit table leg ca