Hospital medical waste endanger environment with the various virus, bacteria and chemicals contained, and has been included into Basel Pact for dangerous wastes control, and National List of Dangerous Waste in 1998. Medical wastes are hazardous waste, due to their infectious characters with space pollution, urgent infection and latent infection. Medical wastes are harmful for human health and environment, so it is necessary and feasibility to deal with medical wastes harmlessly. In this paper, according to status of medical waste treatment in Zhaotong, the medical waste management process of generation, segregation, collection, storage, transport and incineration were studied. It is possible to eliminate absolutely all virus and niff in medical waste through centralized incineration treatment. It is sure that medical waste can be disposed harmlessly. Meanwhile, both environment and health of people will be protected.