Knee arthritis belongs to the category of paralysis in traditional Chinese medicine, blood circulation and pain relief capsule can treat paralysis caused by blood stasis and obstruction, need to follow the doctor’s instructions for medication. Paralysis is due to the invasion of evil qi stagnant tendons, joints caused by meridian paralysis, not through the pain of the disease. It is characterized by pain, numbness and soreness in the muscles and joints of the limbs, unfavorable flexion and extension of the joints (abnormal functioning of the joints in extension and bending), enlargement, stiffness, deformation and impaired movement. The types of paralysis include wind-cold, wind-dampness, blood stasis, and deficiency of liver and kidney (weakness of liver and kidney functions). Blood Vitalizing and Pain Relieving Capsule is composed of Angelica Sinensis, Panax ginseng, Tortoise Worm, Vinegar Frankincense, Ice Tablet, Calcined Natural Copper. It has the efficacy of subduing swelling and relieving pain (eliminating swelling and pain), activating blood circulation and dissipating blood stasis (promoting blood circulation and eliminating blood stasis in the body). It is used in the treatment of bruises, stasis, swelling and pain. Therefore, paralysis that belongs to blood stasis and obstruction can be treated with Activating Blood and Relieving Pain Capsules. Adverse effects of Blood Vitality and Pain Relief Capsule include nausea, vomiting, belching (hiccup), eructation (hiccup), abdominal pain, diarrhea, abdominal distension, anorexia, dry mouth, skin rash, and so on. The drug is contraindicated in children under six years of age, pregnant women, and those with abnormal liver or kidney function. If the paralysis belongs to other types of evidence, the use of this product can not achieve the therapeutic effect, and should be reasonably used under the guidance of the doctor’s diagnosis.