Healthy urine should be pale yellow and clear. When you drink a lot of water, the urine may also be diluted and close to colorless like plain water. When you drink little water or sweat a lot, your urine is concentrated and resembles the color of a kind of beer. This is a normal physiological condition. So what colors of urine indicate an unhealthy physical condition? Abnormal urine color can be divided into the following (mostly related to food and drug factors): 1, brown: common cause is the consumption of too much fava beans, aloe vera, beets. It may also be the effect of drugs, such as antimalarials, certain antibacterial agents; in some rare cases may indicate a urinary tract infection. 2, orange color: mostly seen in dehydration, urine highly concentrated orange color; followed by the effect of certain antimicrobials, chemotherapy drugs and laxatives. Other rare causes include excessive intake of B complex vitamins and excessive intake of carrot juice. 3, dark yellow: dehydration is the most common cause, which can range from money amber to dark yellow; food such as asparagus, vitamin B, etc. can also affect the urine to become dark yellow. In addition disease states such as jaundice, hepatitis, hemolytic anemia when (soy sauce-colored urine) can also appear. 4. Red or pink color: Most often seen after eating foods such as beets and blackberries; can also appear after taking certain anti-tuberculosis drugs (rifampin) and laxatives. If, except for dietary and drug factors, it is a bright red color like flesh washing water, it indicates that there is blood in the urine, which is common in diseases of nephrology or urology such as kidney stones, kidney cysts, polycystic kidneys, urinary tract infections, urinary tract tumors, various nephritis and other disease conditions. 5, dark green or blue: certain drugs containing methylene blue, food and medical dyes can cause blue or dark green urine; in some rare cases, such as “blue diaper syndrome” can also appear similar symptoms, the disease is most often seen in infants; sometimes Pseudomonas aeruginosa infection will cause the urine to appear green. 6, cloudy or cloudy: cloudy urine is a manifestation of urinary tract infections, which should be considered first. If it is accompanied by an abnormal smell, the diagnosis is almost confirmed; kidney stones can also cause pus to make the urine cloudy or cloudy; abnormal vaginal discharge and pus discharge in gonorrhea patients may also make the urine cloudy. 7, dark purple urine: porphyria is a rare disease, a genetic disorder in which porphyrins accumulate in the body, mainly affecting the nervous system and/or skin, and one of its symptoms is dark purple urine. 8, White: Rarely seen, indicating celiac disease in the urine, originating from filariasis or blockage of the renal lymphatics.