Self-examination methods of penile cancer are as follows: 1. see whether the appearance of penis is normal, whether there is any protruding lump or mass; 2. see whether there is any symptom of blood in urine, the early manifestation of penile cancer is blood in urine; 3. check whether there is any enlarged lymph nodes in groin, if there is any lump of penis, blood in urine and groin lump, go to hospital in time, the consultation department can be Urology or general surgery. If penile cancer can be clearly identified through ultrasound, CT or pathological examination, penile cancer can be removed through radical surgery, and the prognosis is still relatively good, especially for early stage penile cancer.