The symptoms of knee discomfort at night: 1, may be due to poor circulation of Qi and blood or the acute onset of knee osteoarthritis caused by cold. 2, after the symptoms of knee discomfort, you can use hot towels local warm compresses to help promote blood circulation and relieve pain, or topical flurbiprofen babu cream for pain relief aids treatment. If the symptoms are not relieved within a short period of time, and the discomfort is progressively aggravated, the patient must go to a regular hospital in time to improve the X-ray or MRI examination of the knee joint and choose further therapeutic measures after the cause is clear, so that the symptoms of the knee discomfort at night can be relieved in time and effectively.