Present days natural fibers have transformed the matter of research field among various fields of study to inculcate it in the manufacture of composites instead of the production of composites using areca and sisal polymer-based composite. This is due to respective advantages related to natural fibers like eco-friendly, low cost, convenience in copiousness, and biodegradability. Stacks of work have been carried out in the production of natural fiber-reinforced polymer composites, using natural fibers like areca and sisal polymer-based composite and their mechanical properties have been studied. Here is an attempt made on the literature survey of areca and sisal fibre built polymer composites where different properties of areca and sisal fibers, its adulthood level, surface treatment effect on properties of fibers, composite formation with different matrices, its mechanical properties have been highlighted.