For special diseases, because of their high treatment cost or complicated treatment methods, it is necessary to make diagnosis and treatment in designated hospitals. These designated hospitals often have more professional equipment, technology and experienced medical staff, which can provide better quality and safety guarantee. When handling special diseases, patients should pay attention to whether they have been approved by the local government and listed in the catalogue to use such insurance benefits (such as basic medical insurance for urban workers and basic medical insurance for urban and rural residents). ).