Active targeting nano preparation containing laminarin as well as preparation method and application of active targeting nano preparation

The invention provides an active targeting nano preparation containing laminarin and a preparation method and application thereof.The nano preparation comprises a core and a core shell wrapping the core, and the core and the core shell are constructed through electrostatic interaction to form the nano preparation with electronegativity or electroneutrality; the core is composed of an electronegative active substance and an electropositive active substance; the core shell is electronegative laminarin or a derivative thereof; the preparation method comprises the following steps: preparing the core and the core shell, and preparing the targeted nano preparation by using the core and the core shell. The active targeting nano preparation containing laminarin provided by the invention can be applied to preparation of medicines for treating cancers and inflammatory diseases; the preparation disclosed by the invention can be used for automatically collecting pathological characteristics of lesion parts of inflammatio