Cervical subcutaneous emphysema usually occurs as a result of surgery or trauma. However, when it occurs spontaneously, the patient may Present with clinically impressive and dramatic features. Spontaneous subcutaneous cervical emphysema is very rare. A 20-month-old boy diagnosed bronchial asthma had been admitted and all symptoms has improved On 5th hospital admission day, sudden subcutaneous crepitation of cervical, chest and axillary area had developed, and roentgenograms of chest and neck revealed subcutaneous cervical emphysema. He was treated needle aspiration. and recovered rapidly.