The rubber based composites have inspired tremendous research interests due to unique mechanical properties. This chapter presents a brief introduction on chitin and their rubber based blends and micro composites. A concise literature review is introduced including rubber based composites, chitin and its derivatives. In addition, a comprehensive overview of rubber based blends and micro composites and their basic properties have been discussed. Three fabrication methods have been mainly summarized consisting of two roll mill mixing, latex compounding and freeze drying method. Furthermore, the challenges and perspectives in the near future are also discussed.