The present disclosure relates to the technical field of semiconductors, and provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes a first chip and a second chip. A first conductive connection wire of the first chip is connected to a first conductive contact pad, and a second conductive connection wire of the second chip is connected to a second conductive contact pad. In addition, the first conductive contact pad includes a first conductor group and a second conductor group, and the second conductive contact pad includes a third conductor group and a fourth conductor group.