1, local glans dermatitis: when the foreskin is too long, it is easy to hide filth and filth in the foreskin and breed bacteria, and children rarely clean the foreskin, so the filth will stimulate the foreskin and glans for a long time, which will lead to local inflammation and even urinary tract infection, with symptoms such as redness, pus discharge, frequent urination, urgency and pain;

2, foreskin, scrotum, perineum eczema: too long foreskin will cause local urinary retention, and repeated stimulation of urine will cause local skin eczema, especially for children with allergies;

3, itching discomfort: children often have itching discomfort in perineum, penis and foreskin, so they will often scratch the foreskin;

4, foreskin stenosis: part of the foreskin is too long, repeated infection, forming local scars, causing foreskin stenosis, children will have symptoms such as difficulty urinating and thinning urine lines. If not treated in time, it may lead to aggravation of the disease, and even lead to urinary tract infection and damage to the kidneys;

5, the accumulation of scale: scale is composed of oil and epithelial cells secreted by the foreskin, which can be used as a lubricant between the foreskin and the glans penis. However, if the child can't remove the scale in time because the foreskin is too long, it will lead to inflammation and even urinary tract infection in severe cases. Therefore, it is recommended that children clean up the scale in time.