Ascorbic acid (+), also known as vitamin C (+) in urine, is mostly due to a high intake of vitamin C in the diet or consumption of fruits rich in vitamin C. It is not a disease state and therefore does not require any special treatment. Ascorbic acid (+) in urine, also known as vitamin C (+), is only used as a contrast agent and not as an indicator of disease, because in urine tests, if the vitamin C content in urine is too high, there will be a reduction reaction between the reagents in urine and vitamin C, resulting in false negative results for some items, such as nitrite, occult blood and other items can appear as false negatives, because at this time there may be There may be associated lesions. However, the test results are inaccurate due to the interference of the increased vitamin C, which may lead to misdiagnosis. Therefore, vitamin C, also known as ascorbic acid, is included in the routine urine test only as a reference agent for comparison and not as an indicator of disease, so no treatment is needed even if it appears (+).