Sweating in bed in a seven-month-old baby is usually seen in the following emergency situations: First, pay attention to check if you are wearing too many clothes, too tight or too many covers or the room temperature is too high when you sleep. Second, pay attention to whether there is vitamin D deficiency rickets, in which case it is easy to sweat, especially during sleep. Third, pay attention to whether there is poor nutrition, poor digestion and absorption of chronic digestive system diseases, physical weakness prone to sleep sweating. Fourth, pay attention to the fact that some babies may be prone to sweating for physiological reasons, there are also individual differences in terms of reasons, seven-month-old babies physiologically have a high metabolism, more water content, insufficient function to control sweating, also more prone to sleep sweating than older babies.