The proportioning concentration of chlorine-containing disinfectant is 200～500mg/L, and the concentration of 1000mg/L is used for the disinfection of articles contaminated by bacteria and viruses. The proportioning concentration of chlorine-containing disinfectant is 200～500mg/L, and 250～500mg/L disinfectant is used to soak the items after general patient contamination. The floor is disinfected daily and wiped with water 1 to 2 times. When the floor is contaminated by pathogenic bacteria, wipe it with 200～500m/L effective chlorine disinfectant and then clean it. Hepatitis, tuberculosis patients after the contamination of the items disinfected with 1000mg / L, the ground if contaminated with 1000mg / L concentration wipe before cleaning. So the use of chlorine-containing disinfectant is different while the ratio is different, it should be formulated according to the specific situation.