The local existence of fishy smell of the glans may be related to the lack of attention to personal hygiene or the existence of local infections: 1. Patients with long foreskin, prepuce, urine is easy to remain on the foreskin when urinating. If you don’t pay attention to personal hygiene and don’t clean up and wash in time, a fishy odor will form over time. The actual fact is that you can find a lot of people who are not able to get a good deal of money from the internet. The patient will have conscious symptoms, such as local pain, swelling or increased local secretions, need to go to the hospital for relevant secretion examination to clarify the pathogenic bacteria of infection, and then targeted treatment. For example, use potassium permanganate, sodium bicarbonate and other solutions for local cleaning. You can also apply topical antibiotic ointment or antifungal ointment to treat the bacterial or fungal infection is eradicated, the fishy odor can disappear.