Swollen glans with itching may be due to circumcision, infection and eczema. 1. Excessive foreskin: some patients have long foreskin, usually not enough cleanliness, the formation of foreskin scale between the foreskin and glans. Long-term will lead to the accumulation of foreskin scale, foreskin scale for a long time to stimulate the glans may trigger inflammation, appear glans edema, with itching. 2. Infection: most of them are caused by unclean sex life, usually do not pay attention to cleanliness and hygiene, in the body’s immune system is lowered, it is easy to cause infection. For example, the common Candida albicans infection, chlamydia infection, gonococcus, diphtheria infection, etc., leading to inflammation of the glans, inflammation stimulation of the glans to appear glans edema, with itching. 3. Eczema: the pathogenesis is not clear, may be related to the body’s immune abnormalities, various allergens stimulation. Lead to inflammation of the glans skin, often manifested as glans edema, accompanied by itching, but also pimples and so on. When the glans edema, with itching, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, with the help of the doctor to clarify the cause, and targeted treatment or treatment.