This is a situation that may be due to folliculitis in the chin area, when the inflammation of the follicle is more obvious will be accompanied by painful symptoms. This can be treated with topical antibiotics for anti-inflammatory and pain relief, such as topical fusidic acid cream or erythromycin ointment, which can play an antibacterial role. It is also necessary to take oral antibiotics, you can take oral rosithromycin or oral doxycycline, can play a certain anti-inflammatory and pain-relieving effect. If the acne is not caused by a bacterial infection but by a viral infection, such as herpes simplex formed by infection with the herpes simplex virus, topical acyclovir ointment or penciclovir ointment can be applied topically. You also need to take oral anti-viral medication, such as oral anti-viral oral solution or blue scutellaria oral solution.