Hello Thanks for query.You have multiple sebaceous cysts over Penile Shaft. The penile skin is rich in sebaceous glands and hence prone to get more sebaceous cyst due to accumulation of sebum beneath the skin. Normally they fade away without treatment however they need to be treated if increase in size or get infected. Please consult qualified General Surgeon for clinical evaluation and further treatment. You need one of them which is bigger to get excised in Toto (Completely along with the sac) This is a simple surgery done under local anaesthesia. Ensure to observe personal hygiene by washing genitals with warm water twice daily. Dr.Patil. Do not attempt to puncure them and drain out the pus as it will recur again as long as capsule of the cyst is removd completely .