Mild antibacterial leather degreasing agent as well as preparation method and application thereof

The invention relates to the technical field of leather processing, and provides a mild antibacterial leather degreasing agent as well as a preparation method and application thereof. The invention provides a mild antibacterial leather degreasing agent. The mild antibacterial leather degreasing agent is composed of the following components in percentage by mass: 30-40% of fatty alcohol-polyoxyethylene ether; 5-10% of linear alkyl benzene sulfonate; 0.05%-0.15% of a quaternary ammonium group type cationic surface active agent; 4-8% of low molecular alcohol; and 42-60% of water. The leather degreasing agent provided by the invention has extremely strong permeation and emulsification effects, is high in degreasing rate, also has an antibacterial effect, and is mild in use condition, wide in application range, convenient to use and low in cost. When the leather degreasing agent is used for degreasing leather, the finally obtained degreased leather is soft in hand feeling and low in grease content, and finished le