Individuals who keep drinking water and still feel thirsty need to be alert to the following diseases: 1. diabetes: typical symptoms of diabetes include excessive drinking, overeating, polyuria and weight loss. Therefore, if you have been drinking water and still feel thirsty, it is recommended to go to the hospital to test the blood sugar to rule out diabetes. 2, uremia and psychogenic thirst: these two diseases will be manifested as always dry mouth, thus constantly drinking water, the daily water intake can reach to more than 2000 ml, need to be hospitalized to do the water prohibition pressure test to clarify the diagnosis. 3, dry syndrome: this is a class of rheumatic system diseases, manifested as dry mouth, thus Repeatedly drink water, dry mouth at the same time accompanied by dry eyes, no tears, etc., need to go to the hospital for relevant examination to clarify. So if you keep drinking water and still thirsty, it is recommended to go to the hospital to carry out the above-mentioned disease screening work.