Acute respiratory tract infection (ARI) is an acute infection of the upper and lower respiratory tract due to virus, bacteria, fungi, or aspiration, causing 20%-30% mortality in toddlers. Risk factors for morbidity and mortality in toddlers include malnutrition, low birth weight, poor breastfeeding, prematurity, housing density, low socioeconomic status, incomplete immunization status, and exposure to cigarette and vehicle exhaust smoke. However, there has been no research on this in North Maluku. To identify the characteristics of toddlers with ARI in Kalumata Health Center Ternate. In this decsriptive observational study, related data was obtained from questionnaires and medical records in December 2021. Of the 100 patients, 86% were diagnosed with common cold, 53% were female, 46% were 1-3 years old of age, 85% had birth weight of 2500-4000 gr, 69% were well-nourished, 67% had complete measles and DPT immunization, 70% received complete vitamin A supplement, 59% were breastfed, 73% settled in uncrowded housing, and 74% were exposed to cigarette smoke. Characteristics of toddlers with ARI in Kalumata Health Center were those diagnosed with common cold, female, age 1-3 years old, birth weight of 2500-4000 gr, good nutritional status, received complete measles and DPT immunization, had complete vitamin A supplement, breastfed, settled in uncrowded housing, and exposed to cigarette smoke.