Oblique needling, straight needling, oblique needling and horizontal needling are to adapt to the range of meridians and the location of acupoints. Generally, the angle of oblique needling is used to avoid stabbing the bones and muscles. Lv Xiaofeng is a member of China Acupuncture Expert Committee and an expert in acupuncture teaching in China. Clinical application of balance acupuncture therapy for more than ten years, with unique insights and special clinical effect. He created tendinous knot therapy and achieved remarkable results in clinical application.