Litchi (Litchi chinensis Sonn.) is one of the most competitive fruits both in domestic and international markets. Now the medical treatments such as chemical medicine (disinfectant, antiseptic) with low temperature, sulfur dioxide treatment before dipping HCl were widely used, but chemical pollutions and safety problems were brought. In this text, the effects of different oxygen and carbon dioxide concentrations, Modified Atmosphere Packaging (MAP) treatment, ozone treatment and combination treat...