The invention discloses a liquid metal cooling wire winding positioning molten salt reactor core, which comprises a fission region, a reactor core barrel, a reflecting layer, a return pipeline, a distribution region and a reactor pressure vessel, wherein the fission region is arranged on the reactor core barrel; wherein, the fission region is positioned in the core barrel and consists of a plurality of fuel pipelines; the fuel pipelines are arranged in a hexagonal mode, liquid nuclear fuel flows from bottom to top in the pipelines, and coolant flows upwards outside the pipelines; the nuclear fuel is liquid molten salt, and the coolant is liquid metal; the fuel pipeline is positioned by an upper grid plate, a lower grid plate and a winding wire wound outside the upper grid plate and the lower grid plate; the liquid metal reflecting layer wraps the outer side of the reactor core cylinder and is as high as the reactor core cylinder; the return pipeline is arranged in the reflecting layer, and the liquid fuel flowing through the interior of the fuel pipeline flows from top to bottom to realize the circulation of the fuel in the reactor core; the distribution area is positioned at the inlet of the reactor core and is used for distributing the flow of the coolant and the material of the reflecting layer; the reactor core has high energy density, good safety performance and simple structure.
