In the field of civil law, German law on the basis of inheriting Roman law fromthe legal level to build the concept of common risk behavior, followed by constantlyhave a country or region in the form of statute law to direct and indirect affirmation orthrough case confirm with applicable system of common risk behavior. Jointdangerous behavior in all aspects of constitutive requirements are all in theparticularity of its different from other tort, and other similar concepts, there isobvious difference between and the emergence of the concept of law and developmentalso has positive social significance. |