The fishy smell of secretions is most common in vaginal secretions. Other parts of the body may also have fishy smelling secretions, such as the ear canal, skin, and perianal area, etc. It is necessary to analyze the secretions according to the part of the body where they are produced and their specific shape, and intervene or treat them after clarifying the cause. Vaginal discharge: Normal vaginal discharge is a white liquid with no color, no odor and like egg white. If the discharge has a fishy smell, there may be abnormalities, consider the following aspects: 1. Hygiene problems: Inadequate pubic cleaning may cause bacteria to multiply, and the discharge will deteriorate and have a certain fishy smell. It is recommended to keep the pubic area hygienically clean and change underwear regularly. 2. Gynecological inflammation: such as vaginitis, cervicitis, pelvic inflammatory disease, etc., the discharge may be accompanied by different degrees of fishy smell, sometimes accompanied by changes in color and properties. For example, in bacterial vaginitis, the discharge is mainly a large amount of grayish white leucorrhea with fishy odor and fishy smell, the vagina may appear burning and itching, but it does not cause vaginal congestion and edema. It can be treated locally or systemically with metronidazole, tinidazole, ornidazole, and xylazine. In trichomoniasis, the leukorrhea is thin, pus-like, yellowish-green and foamy, and has a fishy odor, which can be putrid if co-infected. It is mainly transmitted through sexual contact and requires mutual treatment. Oral metronidazole is required, and women can also use topical medication by placing metronidazole effervescent tablets vaginally. In addition to medication, it is important to pay attention to personal hygiene, change clothes and pants regularly and avoid sexual intercourse during treatment. 3. Bleeding disorders: such as endometrial polyps or endometritis, there is blood in the secretion, which causes fishy smell. The former is usually treated by surgical removal, while the latter is usually treated by oral antibiotics or intrauterine injection of antibiotics; 4, malignant diseases: vaginal cancer, cervical cancer, fallopian tube cancer, etc., when accompanied by infection, the discharge will appear obvious fishy smell or foul odor, also seen in severe endometritis. When older women have foul-smelling leucorrhea, they should be alert to the occurrence of tumor, go to regular hospital for examination in time to clarify the cause and give reasonable treatment. The second, other parts of the secretion: such as ears, perianal, skin, etc. 1, ear: simple otitis media secretion is mostly fishy, sticky pus, if it can improve on its own, can take home auxiliary treatment, if not alleviated, need to immediately seek medical attention, take antibacterial drugs class prescription drug treatment; 2, skin: such as burns due to Pseudomonas aeruginosa infection caused by trauma appear sweet smell of sticky secretions, can be used polymyxin treatment. After the burn itself poor healing, local infection caused by secretions appear fishy smell, you can take oral antibiotics, wipe mupirocin ointment with treatment to enhance anti-infective power; 3, perianal: such as hemorrhoids combined with perianal soft tissue infection, the appearance of secretions, and accompanied by obvious fishy smell. First of all, local disinfection and cleaning, choose warm salt water cleaning, you can use topical hemorrhoid cream. There are various factors for the fishy smell of the secretion, and different tests need to be performed according to different factors, such as secretion laboratory tests or gynecological routine tests to clarify the diagnosis, and then consider targeted treatment. Daily attention should be paid to the cleanliness of the skin and perineum to avoid infection with bacteria, fungi and other pathogens. If the diagnosis is confirmed to be a gynecological related disease, it is also necessary to avoid sexual intercourse and bathing during the treatment period to promote early healing of the disease.