The difference between Semen Astragali Complanati and Tribulus terrestris is that Semen Astragali Complanati is also called Tribulus terrestris, Tribulus terrestris from Tongzhou, Tribulus terrestris from Shayuan, Tribulus terrestris from Shayuan, Tribulus terrestris and Tribulus terrestris, and it is the seed of Astragalus complanatus or Astragalus chinensis. It is sweet and warm in nature, and has the effects of nourishing the liver, tonifying the kidney, improving eyesight and fixing sperm. It is mainly used for treating diseases such as liver and kidney deficiency, soreness of waist and knees, blurred vision, nocturnal emission, premature ejaculation, frequent urination, enuresis, hematuria and leucorrhea. Tribulus terrestris is the fruit of Tribulus terrestris, a plant of Tribulus terrestris. It is bitter, pungent and warm in nature, and has the effects of dispelling wind, improving eyesight, lowering qi and promoting blood circulation. It is mainly used to treat headache, itching, red eyes, chest fullness, cough, abdominal pain, and carbuncle. Therefore, the difference between the two drugs is very big.