Knee osteoarthritis, also known as senile knee osteoarthritis, degenerative knee osteoarthritis, and proliferative knee osteoarthritis, knee osteoarthritis is a common orthopedic disease characterized by recurrent joint swelling, pain, and limitation of movement, and is a common and difficult disease in middle-aged and elderly people. Acupuncture treatment for this disease is mostly painless. It is a minimally invasive surgery, without sutures, the wound can heal in 3-4 days, much safer and less expensive than various surgeries in Western medicine, with an efficiency of 96% or more, and most of the symptoms basically disappear within 2-4 times of treatment.