Windowsill coping precast block pouring mold and windowsill coping precast block

The utility model discloses a windowsill coping precast block pouring mold which comprises an inner main body and an outer shell which is arranged in a cuboid shape and surrounds the inner main body, and the outer shell comprises a first outer short plate and a second outer short plate which are oppositely arranged on the two sides of the inner main body in the width direction. The first outer long plate and the second outer long plate are oppositely arranged on the two sides of the inner main body in the length direction, the first outer short plate, the first outer long plate, the second outer short plate and the second outer long plate are sequentially connected end to end to surround the inner main body, a first pouring cavity is formed between the first outer short plate and the inner main body, and the second outer short plate and the inner main body are attached to each other in a face-to-face mode. A second pouring cavity is formed between the first outer long plate and the inner main body, a third po