Lumps in the coronal groove of the glans are seen in diseases such as glansitis, pearly papules of the penis and condyloma acuminatum. 1. glans: this disease will appear in the glans localized raised red bumps, and accompanied by local redness, swelling, pain, itching and local secretion of the glans, can also be seen in the glans erythema formation. 2. Penile pearly papules: mainly manifested in the glans around the coronal groove of the papilla-like protruding particles, soft and painless, but the disease is contagious, so if you have the above symptoms should go to the hospital in time to consult the examination. 3. Acute warts: This disease is clinically manifested as papillary or cauliflower-like raised lumps, and accompanied by mild pain, local bleeding or increased secretion and other symptoms. As the disease progresses, the size of the lumps will continue to increase, the number increases, mostly due to sexual contact or infection with human papillomavirus. Warts need pathologic examination to confirm the diagnosis, and after the diagnosis need to carry out antiviral treatment. In conclusion, glans, pearly pimples of the penis and condyloma acuminatum will appear glans coronal mass, it is recommended to go to the hospital for examination and diagnosis.