When urine is particularly yellow when you urinate, you need to decide how to deal with it according to the cause. First, if it is physiological urine concentration, that is, more sweating and less hydration, especially seen in hot weather in summer or in patients who work in high temperature and fail to hydrate in time, urine concentration and yellow color may occur. At this time there are no symptoms, only need to drink more water, more urination, urine color can gradually turn to clear color. Water replenishment needs to be decided according to physiological needs and water loss. Under normal circumstances, the daily physiological need is about 1500ml. If sweating is high, it is appropriate to supplement about 1000-1500ml of water. Second, taking special medications, such as multivitamins or riboflavin-based drugs, the yellow color of urine can occur. If there have been patients taking special drugs, it is recommended to stop the drugs temporarily and observe the urine color. Third, patients with jaundice may have a deep yellow urine color. It is recommended to check the liver function to understand the bilirubin level, and if the bilirubin is too high, it is recommended to consult the hepatobiliary department. After treatment of jaundice, the urine color may gradually change to a clear color.