The first step of washing hands is to rub the palms of your hands, and the fingers of both hands are put together and rubbed against each other.

Step two, wash your fingers on your back. Put the fingers of one hand into the fingers of the back of the other hand and rub each other, then exchange friction.

Step three, wash your hands and fingers. The palms of both hands are opposite, and the fingers cross and rub.

The fourth step is to wash the back of your fingers, put your four fingers together in the palm of your other hand and rub them, then exchange rubs.

Step five, wash your thumb. One hand holds the thumb of the other hand to scrub, and then exchange scrubs.

Step six, wash your fingertips, put your five fingers together in the palm of your other hand and rub them, then change hands.

The seventh step of washing hands is to wash your wrists. Hold the wrist of the other hand with one hand and rub it, then switch hands and rub it.

Studies on hand washing show that everyone will carry about 150 kinds of germs on each hand, and pathogens such as fungi and viruses will also spread through hands, so keep your hands clean at all times.