Penetrating bran injuries are uncommon causes of head trauma with serious complications. In this case study, we describe a six-year-old child with penetrating head trauma that occurred four days before presentation. The foreign body was removed by the parents on the first day, but the child had become progressively ill and experienced headache and vomiting. With the presence of fever and a stiff neck, we considered meningitis. The CT scan of the brain revealed tension pneumocephalus and a brain abscess. IV antibiotics were given, and surgery was performed. In a patient with penetrating head trauma, we should consider various complications and assess the presence of them to avoid future sequelae.