Shaking hands is the most common etiquette. The gesture, strength and duration of handshake can express different emotional information:-Hold the palm straight and use a little force to show equality and respect; -Palm up indicates obedience and humility, which should be adopted by the younger generation; -palm down is arrogant, rude and unpopular; -Hold each other with folded hands, showing sincerity and enthusiasm; To show enthusiasm, you can shake hands tightly for a long time and shake them up and down a few times. Look directly at each other when shaking hands. The order of shaking hands. If the other person is an elder, a distinguished guest or a lady, it is best to wait for the other person to reach out before shaking hands with him. Women don't reach out and shake hands, but men can nod and bow. When shaking hands with many people at the same time, let nature take its course and don't cross your hands. The most polite order is: superior first, subordinate first, elder first, junior first, host first, guest first, lady first, man first. When the elders and distinguished guests reach out to you, you'd better step forward quickly, hold each other's hands with both hands and lean forward slightly, which is a sign of respect for each other. Handshake time should not be too long or too short, generally controlled within 3-5 seconds. When men shake hands with women, the time should be short and the intensity should be light. Generally speaking, he should shake the woman's finger. Pay attention when shaking hands, avoid looking at others, be absent-minded, and don't lower your eyes. A man should take off his gloves and hat before shaking hands. If a lady's ring is worn outside her gloves, she should not take it off, otherwise she should also take off her gloves and shake hands with others. According to international practice, soldiers in military uniforms can wear gloves to shake hands with others. It is best not to wet or dirty the outstretched hand, otherwise it will give the other party an uncomfortable and unpleasant feeling. Always use your right hand when shaking hands (unless your right hand is injured). It is not appropriate to shake hands with others with your left hand. Under special circumstances, shake hands with your left hand to explain or apologize.