Male urine smell heavy, can be divided into physiological factors and pathological factors, physiological factors are mostly due to poor dietary habits, belong to the normal phenomenon, do not need treatment. The pathological factors include urinary system infections, reproductive system infections, kidney diseases, etc., which can be treated by urinary routine and other tests to clarify the cause. 1, bad dietary habits: usually drink too little water or eat too much meat, a lot of animal protein intake after the body’s digestion, absorption, in the urine will discharge a lot of ammonia-containing substances, the odor will be heavy. This condition, it is recommended that patients usually change their eating habits, eat more fresh vegetables, fruits, drink more water, urine smell heavy will soon improve, eat fishy and spicy stimulating food, drinking alcohol will also cause urine smell heavy, stop eating will change; 2, urinary system infection: such as prepuce is too long, the occurrence of prepuce inflammation, resulting in the surrounding coliform hepatitis, Staphylococcus aureus, Neisseria gonorrhoeae invasion, etc., these The pathogenic microorganisms lead to a high degree of congestion, swelling and shedding of the male urinary epithelium, shedding cells and metabolic waste in the urine mixed together, the urine color will be cloudy, and the urinary taint smell will be heavier; 3, reproductive system infection: prostatitis can easily lead to a heavier urinary taint smell, because when the prostate is highly swollen, too much prostatic fluid will be secreted into the urethra. The prostate fluid itself is also rich in protein, mixed in the urine will be easy to produce a heavy smell of urine; 4, kidney disease: such as kidney tuberculosis, nephritis, kidney abscess patients, there will be a heavier smell of urine, is due to the presence of more pus and more necrosis products in the urine, producing some abnormal smell.