Medical waste is also a hazard, rotary Rotary Kiln to help address this waste is a technically.In terms of the handling of medical waste are developed to establish a first-order reaction model. Medical waste pyrolysis mixed components of each component is essentially a linear superposition of independent pyrolysis, and accordingly made apparent medical waste mixed component-level multi-step model, successfully achieved a mixed component thermal decomposition reaction of medical waste Dynamics simulation.Obtained through research-based composition and physical properties of the actual composition, moisture content, calorific value and density of medical waste, for the design of medical waste harmless disposal facilities provided.Thermal balance systematic study of the pyrolysis of Eight typical components of medical waste combustion dynamics, the influence of heating rate, atmosphere and other factors on the characteristics of each component of weight loss.Based on the study of the dynamics, the establishment of a multi-step apparent level pyrolysis and combustion reaction model.