If you feel ants crawling in your knee joint on a regular basis, you should rule out restless leg syndrome. Patients with restless leg syndrome complain of a feeling of ants walking and itching in the knee joint or lower leg, and some patients also experience a burning and tingling sensation. These patients have the most pronounced symptoms at night, and also have a feeling of strong movement, which disappears after light activity and movement, and is most pronounced at night, thus affecting the sleep of patients. Most of these patients are also a disease of the central nervous system, which may be directly related to the abnormal secretion of dopamine, so most of these patients prefer dopamine drugs for treatment, and can also choose Chinese herbal soup for treatment, Chinese herbal soup can choose Chai Hu Gui Zhi Tang, for restless legs syndrome has very good effect.