The causes of glandular cystitis are still not very clear, and it may be related to chronic inflammation in the bladder, stones, obstruction in the bladder, neurogenic bladder, bladder eversion, and other diseases. Glandular cystitis is considered a transformative lesion of the bladder mucosal tissue. The origins of the bladder mucosal epithelium mainly include embryonic origin, degeneration, and epithelial transformation theories. The main clinical symptoms are frequent urination, urinary urgency, painful urination, macroscopic hematuria, and discomfort of heaviness in the lower abdomen.