The seven-step handwashing method removes hand dirt and destroys disease-causing microorganisms, hand, foot and mouth disease, diarrhea, influenza and other diseases that spread. Go to the side of the hand washing sink and prepare the hand washing liquid. Take out the laundry detergent and apply it evenly to your hands in seven steps. 1. Inside: Wash the palms of the hands, fingers of both hands together, palms opposite each other rubbing. 2. Outside: Wash the back and side of the fingers, rubbing the back and fingers of the right hand with the left hand. Exchange. 3. Clip: Wash the palm side of the finger joints, with the palms of the two hands facing each other, and cross the hands to rub each other along the finger joints. 4. Bow: wash the back of the fingers, bend the fingers of one hand and half a fist, put the back of the fingers in the palm of the other hand to rotate and rub, exchange hands and scrub. 5. Big: Wash the thumb, one hand holding the other hand thumbs rotating rubbing, hands exchange scrubbing. 6. Stand: wash fingertips, 5 finger tips together in the palm of the other hand rotating rub, hands exchange scrub. 7. Wrist: wash the wrist, arm, rubbing the wrist and arm, hands alternately scrubbing. In the process of hand washing attention, hand washing each step of the rubbing time should be greater than 15 seconds. Hand washing is the basis of personal hygiene.