How to take Eugenol:1. Eugenol should be taken every day.2. It should be taken before breakfast or 3 hours after dinner.3. It should be taken with water only, and some special drugs or foods after sufficient time interval, 1 hour interval with vitamins, hypertension drugs and tonic; 2 hours interval with iron and calcium containing foods or drugs, 4 hours interval with milk and soy foods; 12 hours interval with choleramine and lipid lowering resin. 12 hours. Eugenol is absorbed in the small intestine, and the acidic PH value in the stomach in the fasting state is more important for the absorption of the tablets in the small intestine, so it is important to take more than the expected dose and to assess the function of the gastrointestinal tract, such as HP-related gastritis, atrophic gastritis, steatorrhea, etc. After the disease is cured, thyroid function and levothyroxine tablets dose need to be re-evaluated. 70%-80% of the drug is optimally absorbed, eating affects absorption, fiber and grape juice are not found to affect absorption at present, soy products and coffee affect absorption.