If the test result of chloride ion is high, it may be caused by excessive salt intake, long-term water shortage, taking drugs and other factors. 1. Excessive salt intake: long-term consumption of heavily salted bacon, sauerkraut and other foods will lead to excessive intake of chlorine in the body, which will easily lead to hyperchloremia, and then high chloride ion concentration in the physical examination. 2. Prolonged dehydration: Prolonged dehydration, diarrhea, etc., and the use of diuretics will affect liver function, which will slow down the metabolism of chlorine, resulting in high levels of chloride ions in the blood. 3. Taking medicines: taking medicines after intestinal surgery will lead to the reabsorption of chlorine ions in the intestines, which will enter into the body and cause high chlorine. In conclusion, there are many reasons for high chlorine ion in the test results, and it is recommended to go to the hospital for a clear diagnosis.