The causes of glans pouch can be inattention to personal hygiene, allergy, glansitis, sexually transmitted diseases such as gonorrhea, etc., which need to be clearly diagnosed as early as possible. 1. Not paying attention to personal hygiene: usually do not pay attention to personal hygiene, poor surface cleanliness or long foreskin, etc., can lead to the accumulation of foreskin scale and cause chronic irritation or urine scale long-term stimulation, can appear glans small package. 2. Allergy: the emergence of allergies, resulting in a long bag on the glans, can show a wind ball-like or rash-like changes, with obvious redness, swelling or itching and so on. If the contact with the allergic factors is stopped, this situation can disappear. 3. glansitis: with glansitis, there can be a long bag on the glans, mainly due to infection. It can also be caused by fungus, trichomonas and other infections, and may be accompanied by local pain, increased secretion or itching and other changes. 4. Sexually transmitted diseases: the long bag on the glans can also appear after having unclean sex, such as gonococcal, mycoplasma, chlamydia or syphilis infections, etc., all of which can appear in the phenomenon of long bag on the glans. Small bags on the glans may also be caused by other factors, it is recommended to go to the regular hospital in a timely manner, to clarify the cause of the disease under the guidance of the doctor’s treatment, and strive for early recovery.