Electric hoist and electric hoist system

The utility model provides an electric hoist and an electric hoist system, and belongs to the field of hoisting equipment. The electric hoist comprises a fixing base, a first static pulley, a second static pulley, a lifting hook assembly, a first movable pulley, a second movable pulley, a driving device and a chain. The fixing base is used for being fixed to a fixed object, and the first static pulley and the second static pulley are rotationally arranged on the fixing base. The first movable pulley and the second movable pulley are rotatably arranged on the hook assembly. The driving device is used for driving the second movable pulley to rotate relative to the hook assembly. The chain is provided with a first connecting end, the first connecting end is fixedly connected to the lifting hook assembly, and the chain sequentially bypasses the first static pulley, the first movable pulley, the second static pulley and the second movable pulley to form a five-strand chain winding structure. The electric hoist of