Glans edema is usually manifested as the loss of redness and fullness of the glans, with whitish and reddish blisters on the surface. Edema of glans is usually caused by glansitis, phimosis, phimosis, prepuce, masturbation, etc. Repeated episodes of glansitis and phimosis will lead to hyperplasia and hypertrophy of the skin at the prepuce, and phimosis or prepuce will easily cause pathogenic microorganisms to infect glans, and if you don’t pay attention to the hygiene of the penile and glans at the skin on a daily basis, it will easily lead to edema of the glans. After the glans edema glans can be manifested as whitish, reddish blisters, surface ulcers or pus oozing out, accompanied by itching, pain, bleeding, vesicles and other symptoms, when the situation is serious, it will also lead to glans dryness as well as destruction of the surface physiological structure of the glans, redness and swelling of the urethral opening and other situations. Therefore, when the glans is found to be red and swollen, it should go to the hospital in time for examination, according to the specific causes of symptomatic treatment, to avoid affecting the normal life.