If the abscess in children is mild, you can first take antibacterial agents for oral anaerobic infection, such as clindamycin, erythromycin, metronidazole. If the condition does not improve, it usually requires surgical incision to drain the abscess, and the dentist will choose the treatment according to the degree of infection, and in mild cases, antibiotics can be taken, while in severe cases, surgical incision to drain the abscess will be performed. Tooth problems, root problems, periodontal problems need to go to the regular hospital stomatology department, and then decide the treatment plan after examination.