Onions are usually good for the prostate, and the food is only a supplement, not a cure. Onions are rich in potassium, vitamin C, folic acid, and many other nutrients, including quercetin and prostaglandin A. Onions enhance prostate function, increase prostate fluid production, and promote prostate health. For prostate patients, you can eat diuretic meats such as pork and chicken, which contain selenium. You can also eat zinc-containing vegetables such as peanuts, sesame seeds, etc. These vegetables should be consumed by prostate patients, avoid eating spicy foods that can lead to prostate congestion, and you should drink plenty of water to keep your metabolism up. If you are experiencing prostate-related discomfort or have been diagnosed with prostatitis, you should go to the hospital as soon as possible in addition to dietary supplements, under the guidance of the doctor’s treatment, dietary supplements should never be a substitute for conventional treatment.