Soreness and swelling of the knee joints, and rattling sound when flexion and extension activities are mainly considered to be arthritis of the knee joints, which may be caused by degenerative hyperplasia or chronic strain injury, or due to immune factors, such as synovitis, rheumatoid arthritis, etc., or due to the symptoms of poor local blood circulation, which can be alleviated by resting with brakes and supporting symptomatic treatment as well as physical therapy. Braking rest is to avoid prolonged standing, walking and strenuous exercise of the knee joint, can be active for a period of time to lie down and rest, elevate the knee joint is conducive to local blood circulation and thus alleviate the symptoms. Supportive symptomatic treatment includes anti-inflammatory and analgesic treatment, activating blood circulation and removing blood stasis, antispasmodic and analgesic treatment, as well as balancing muscle strength, so as to prevent the recurrence of this symptom. Anti-inflammatory and analgesic treatments often include oral fenbendazole, or topical fuchsin emulsion or Yunnan Baiyao aerosol. Blood circulation and removing blood stasis treatment can often be taken orally Jinlong Pills, Tongluo Kaipao Tablets to relieve, can also be taken orally Chlorzoxazone Tablets to relieve muscle spasms and tension around the knee joints, can also be taken orally Glucosamine Sulphate to nourish the knee joints, so as to alleviate the popping sound appeared, after the above treatments do not alleviate the symptoms must be to go to the hospital for medical attention.