The possible reasons for the heavy smell of women’s urine are as follows: First, a long-term high-protein or meat-based diet can cause an increase in nitrogenous substances in the urine, which can produce ammonia after being decomposed, and this can lead to a heavy smell of urine, so it is recommended to adjust the diet structure and match meat and vegetables. Secondly, if urine is retained in the body for a long time, urine concentration or urine retention due to various reasons, there can be a heavy smell of urine. Because urine is retained in the body for too long, some of the components in the urine are decomposed and give off some volatile odor. Third, when there are urinary tract infections, such as cystitis and urethritis, bacteria can decompose the protein components in the urine and produce ammonia, thus producing a heavier urine odor. It is also mostly accompanied by urinary tract irritation symptoms, such as urinary urgency, frequent urination, and painful urination, which require routine urine examination to further exclude.