Pain intensity and efficacy evaluation Numeric Rating Scale(NRS) tool for pain the pain intensity is scaled as 0 to 10, 0 to 10 figures represent varying degrees of pain: 0 being no pain and 10 being worst severe pain; the patients are asked to say one number which represents their degree of pain at present time. The scale which also can be divided into three sections, namely: mild pain(including the number equal to or below 3), moderate pain(4-6), and severe pain(7 10) If the pain intensity can gradually reduced through treatment. and can be controlled in 3 or below 3. that is the efficacy is significant, and pain control is reasonablePain intensity and efficacy evaluation • Numeric Rating Scale (NRS) tool for pain: the pain intensity is scaled as 0 to 10, 0 to 10 figures represent varying degrees of pain: 0 being no pain and 10 being worst severe pain; the patients are asked to say one number which represents their degree of pain at present time. The scale which also can be divided into three sections, namely: mild pain (including the number equal to or below 3), moderate pain (4-6), and severe pain (7- 10). • If the pain intensity can gradually reduced through treatment, and can be controlled in 3 or below 3, that is, the efficacy is significant, and pain control is reasonable