After entering the office, attention should be paid to keeping the environment clean in the office area, it is recommended that daily ventilation, 20-30 minutes each time, pay attention to keeping warm when ventilation, and disinfect the area regularly after work every day. Maintain a distance of more than 1 meter between colleagues, and multiple people should wear a mask when working in the office. Wash your hands diligently and drink more water in the office process, and insist on strict hand washing before eating and after toileting in accordance with the seven-step washing method. At the same time, attention should be paid to the cleanliness of the surface of objects, which can be wiped regularly with chlorine-containing disinfectant or 84 disinfectant. When receiving outsiders, both parties should wear masks.