X-linked adrenoleukodystrophy (ALD) is rare genetic disorder, and children with ALD are at an increased risk of anesthetic mortality and morbidity [1]. Therefore, they require an individual anesthetic protocol based on their clinical condition. Herein we report the case of a male with childhood-onset X-linked ALD who required general anesthesia for a dental operation. An 11-year-old male (height 143 cm, weight 30 kg) was scheduled for scaling and multiple deciduous tooth extractions under general anesthesia due to his failure to cooperate willingly. He had been diagnosed with childhood-onset X-linked ALD 3 years previously. Other history included an episode of status epilepticus, adrenal insufficiency, aspiration pneumonia, pressure sores and blindness. He was bed-ridden and maintained on a positive-pressure home ventilator via tracheostomy. Physical examination revealed spastic tetraparesis, unresponsiveness to the environment, and cushingoid facies due to chronic steroid supplementation. Preoperative medications including topiramate, divalproex, prednisolone were continued until the morning of the operation. On arrival at the operating room, standard monitoring commenced. For anesthetic induction, 75 mg of pentothal sodium were injected. Anesthesia was maintained using N2O at 2 L/min, O2 at 2 L/min, and sevoflurane. About 5 min after the start of maintenance inhalational anesthesia, the surgeon was unable to open the patient’s mouth so rocuronium 10 mg was injected, after which the mouth could be opened and the surgery commenced. The operation lasted 30 min and was uneventful. Residual neuromuscular blockade was reversed with pyridostigmine 10 mg and glycopyrrolate 0.2 mg, and 15 min after administration of reversal agents, we placed the patient’s home ventilator in pressure-support ventilation (PSV) mode, as it was preoperatively. The patient was observed closely for over 1 h by an anesthesiologist and a pediatrician in the post-anesthesia care unit (PACU). The home ventilator with PSV mode was well tolerated, so we then transferred the patient to the general ward under monitoring with pulse oximetry. X-linked ALD is a progressive neurodegenerative disorder characterized by demyelination of cerebral white matter, axonopathy of the spinal cord, and reduced adrenal response to adrenocorticotropic hormone. The onset age of the condition is between 3 and 10 years, and the patients initially present with behavioral problems and deficits in memory and language. As the disease progresses, vision loss, auditory impairment, hemiparesis and spastic tetraparesis may occur. In the later stages, seizures begin and the patient becomes bedridden, blind, and unable to interact with the environment. Death usually ensues within 2 to 4 years after the onset of symptoms [1]. There are several considerations in anesthetic management for these patients. The anesthetic plan should be formulated based on each individual patient’s condition according to their disease progression. In our case, the anesthetic plan focused on the prevention of seizures and early return to the preoperative condition without any anesthesia-related complications. In an ALD patient with seizure disorders, anticonvulsants should be continued throughout the perioperative period, including the day of surgery, and the anesthesiologist should consider the altered pharmacokinetics of anesthetics due to hepatic microsomal enzyme induction secondary to chronic antiseizure