Children’s testicles are painful and not swollen when pressed may be caused by excessive friction, infectious factors, mild orchitis and other factors. 1. Excessive friction: children wear too tight underwear, repeated friction on the scrotum area, may lead to localized skin breakage of the scrotum, when pressed, there will be obvious pain, but not accompanied by symptoms of swelling, and also cause pain when touching the symptoms. 2. Scrotal infection: boys do not pay attention to scrotal hygiene, may lead to scrotal area bacteria or fungal growth, easy to cause inflammation and infection, when the infection is not too serious, there will be no obvious swelling, but when touched with the hand, usually cause pain. 3. Mild testicular inflammation: for example, mumps testicular inflammation, may cause damage to the testicles local tissue, the infection is not too serious, when the damage is not too obvious, may not find the testicles appear swollen symptoms, but with the hand pressure, the damage caused by the site of the stimulation, will make the testicles appear painful feeling. Children’s testicles press pain not swelling there may be other reasons, patients need to consult a timely examination, early treatment.