Tokyo on August 12, the Japanese government, Hiroshima Prefecture and Hiroshima municipal government appealed to the High Court on the grounds of “insufficient scientific basis” against the recent judgment of the Hiroshima District Court on the Hiroshima nuclear explosion “black rain” lawsuit. On July 29, the Hiroshima District Court ruled that 84 plaintiffs outside the “special area” designated by the government as “Heiyu” relief objects were the victims of nuclear explosion, and asked the government of Hiroshima City and Hiroshima county to issue health manuals to the plaintiffs. < / P > < p > the plaintiffs in the “black rain” case of Hiroshima nuclear explosion originally expected the judgment of Hiroshima district court to help them get government relief. However, due to the government’s appeal to the high court, the two sides will have a long-lasting debate on the appropriateness of the regional judgment in the future. On August 6 and 9, 1945, the U.S. Army airdropped to Hiroshima and Nagasaki, respectively. The radioactive materials produced by nuclear explosion, dust and water vapor condensed into “black rain” and fell. People suffer from diseases because of being drenched by “black rain” or eating water and crops polluted by “black rain”. < / P > < p > according to the rainfall duration and area of “black rain”, the Japanese government divides the radioactive pollution areas of nuclear explosion into heavy pollution areas and light pollution areas. Only the residents suffering from nuclear radiation diseases in the heavy pollution areas can be identified as the victims of nuclear explosion and enjoy the relevant treatment provided by the government.