Baby sweating with a fishy odor may be a normal phenomenon, may also be caused by stinky sweating. 1. Normal phenomenon: baby metabolism is more vigorous and active, the body sweats more, when the body sweat and skin surface bacteria mixed may appear fishy odor. This is a normal physiological phenomenon, the general will be cleaned after the sweat smell will disappear. 2. Odorant Sweat Disorder: Odorant Sweat Disorder may be caused by abnormal secretion function of the top secretion glands, bacterial decomposition and other factors. The patient’s armpits, areola, soles and other parts of the special pungent odor, and the location of the parietal sweat gland sweating more. Baby sweating with fishy odor, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.