Acupuncture has gained more and more popularity in the past 40 years and considered "essential health benefits" in the US and the West for its effectiveness for relieving pain and partly to the fact that its efficacy has been verified by scientific studies. Extra points are attracting more and more attentions because they cannot only play a key role in treatments, but can amaze and enable acupuncture practitioners and patients to save money and time and stay healthier without side effects of medications.