This Chinese herbal remedy is used to improve the functions of the kidneys, nourishing the blood, and relieve the pain in the lower back and knee. Clinic application: Pain and weakness in the lower back and the knee, stiffness of joints, rheumatic sciatica, cold feet, chronic arthritis, lumbar muscles strain, and hyperosteogeny. Caution: When taking this remedy, should avoid cold food, raw food, and greasy food. Do not use it during pregnancy.