Penis long small white spots, red spots, pimples usually may exist the following two possibilities: 1, the performance of the circumcision glans penis men have small white spots on the penis is generally the fault of the circumcision glans glansitis. In addition, the appearance of penis long red spots may also be the symptoms of glans phimosis, glans phimosis symptoms and the penis of the foreskin red and swollen, there is burning pain, in the urine will be aggravated, there will also be pus secretion from the opening of the foreskin outflow. At the same time, the penis long bumps should also be first considered for the foreskin glans, genitourinary infections and so on. 2, sexually transmitted diseases penis long small white spots, red spots, pimples in most cases is the foreskin glans, but if the patient has unclean sex, do not rule out sexually transmitted diseases, such as: condyloma acuminatum, there may be genital herpes, there may be pearly pimples. Why does the penis grow small white spots, red spots, pimples? 1, the foreskin is too long lead to The foreskin is rich in sebaceous glands, can secrete a lot of sebum. When the prepuce or foreskin is too long, the secretion of sebaceous glands in the prepuce can not be discharged, sebum and urine sediment synthesized cheese-like strange odor of “foreskin scale”. Foreskin scale is suitable for bacterial growth, so it can cause glans phimosis. And glans phimosis will also have small white spots, red spots, pimples and other symptoms. 2, unclean sex lead to STDs are mostly caused by unclean sex, STDs as a kind of infectious disease, in the absence of any safety protection measures with STD patients, sexual contact or other close contact, will be infected with STDs. 3, trauma caused by local trauma, friction, soap and detergent stimulation and other reasons, can lead to male penis long red spots and some other undesirable symptoms appear.