Nephritis may intermittent hematuria of the naked eye. Nephritis may be caused by infection, medication, or bad lifestyle habits. Nephritis is mainly glomerulonephritis, which may manifest as hematuria, proteinuria, hypertension, edema and other symptoms. Its hematuria is often painless, throughout hematuria, which may be microscopic or microscopic hematuria, or it may show persistent or intermittent. Therefore, nephritis may present with intermittent microscopic hematuria. If the patient’s condition progresses and the kidneys continue to be damaged, the patient may also develop persistent polyphthalmic hematuria. Therefore, patients with nephritis are advised to go to regular hospitals for timely consultation and targeted treatment or therapy under doctors’ guidance.