The purpose of this study is to evaluate the efficiency of acupuncture in treating chronic low-back pain

We want to know if the Yaotong points penetration or standardized acupuncture mode are more effective than medical care alone for CLBP; and if Yaotong points penetration is more effective than standardized acupuncture.

Inclusion Criteria:

• with CLBP
• without taking any other medication for the treatment of CLBP in at least 2 last weeks;
• aged from 18 to 50 years;
• without conflict to the written, informed consent signed prior to the enrollment.

Exclusion Criteria:

• pathological causes of chronic back pain (such as fractures, cancer, spinal stenosis and infections);
• complicated back problems (such as scoliologic >40° curvature, chronic spondylitis, sciatica, prior back surgery and other medicolegal issues);
• with contraindications for acupuncture (e.g., cardiac pacemakers, coagulation disfunctions, being in pregnancy, seizure disorder);
• conditions making treatment difficult (e.g., paralysis, psychoses);
• conditions that might confound treatment effects or interpretation of results (e.g., severe fibromyalgia, rheumatoid arthritis, concurrent care from other providers);
• previous acupuncture treatment for any condition.