Is it dry in winter in Beijing?

In the cold, windy and dry winter, we often encounter various static phenomena in our daily life. When the weather is dry, chemical fiber underwear, carpets, cushions and wallpaper will generate static electricity when rubbed. Static electricity makes people uncomfortable, but also causes headaches, insomnia, irritability and other symptoms, and even leads to rash and arrhythmia, which is more harmful to neurasthenia and mental patients. -When the weather is dry, you don't need to sprinkle some water at home, but put one or two pots of clean water in places where it is not convenient to wet the floor to increase the indoor air humidity. -When the TV is working, electrostatic particles will be generated around the screen, which will absorb a lot of floating dust in the air and have adverse effects on human body and skin. Therefore, TV can't be put in the bedroom. People should open the window when watching TV, keep a distance of 2-3 meters from the TV, and wash their hands and faces after watching it. -For the elderly, children, electrostatic sensitive person, patients with unexplained heart disease, neurasthenia and mental patients, it is recommended to wear pure cotton underwear and underpants in winter to reduce the adverse effects of static electricity on people. -Taking a bath and changing clothes frequently can effectively eliminate the static charge accumulated on the surface of human body. -barefoot is conducive to the discharge of static electricity accumulated on the body surface. Therefore, in leisure, don't miss every opportunity of barefoot.