The glans has a small red spot without pain, treatment: first, if the local cleanliness is not enough or poor hygiene, it is recommended to use potassium permanganate solution diluted after cleaning, cleaning the foreskin needs to be turned to the glans coronal groove position, and cleaning the inner foreskin. Secondly, if it is caused by bacterial infection, it is recommended to apply a little erythromycin ointment 3 times a day, or a little Bactrim ointment 3 times a day, for 3-5 days, to observe the situation of the red spot receding. Third, if the fungal infection is caused, it is recommended to use sodium bicarbonate solution for local cleaning, cleaning to include the location of the glans coronal groove and the inner plate of the foreskin. After cleaning, you can apply miconazole ointment 3 times a day for 1 week, or clotrimazole ointment 3 times a day for 1 week. Fourth, if it is caused by local allergies, it is recommended to apply a little topical mometasone furoate ointment twice a day for 3-5 days, and observe the fading of the red spots.