The penis buds are a manifestation of the local tissue bulge, some will cause obvious itching and stinging symptoms, the cause of the corresponding condition, including condyloma acuminatum, pseudo condyloma acuminatum, as well as inflammation and stimulation of the reaction. 1. Acute warts: the corresponding condition is due to hpv low-risk virus infection, repeated stimulation of the local mucous membrane tissue, some will be accompanied by obvious itching, tingling symptoms. 2. Pseudo-condylomata: it is associated with external physical and chemical stimuli, and is caused by the abnormal proliferation of sebaceous glands, most of which are not accompanied by obvious symptoms. 3. Inflammatory stimulation: repeated stimulation of the mucous membrane by bacterial mold and other infections can also lead to local tissue bulging and granulation formation. Penile granulation may also be other reasons, need to go to the regular hospital in a timely manner, after diagnosis of the condition in the clinician under the guidance of standardized treatment and treatment, to avoid delays in the condition.