Children with Yin deficiency are prone to thirst, like to drink, red lips, white tongue, good appetite, as well as symptoms such as bloated stomach, constipation, yellow urine, etc. They may also have a temper, sleepless nights, easy to wake up, night sweats, hot palms and feet, some children also have back pain, poor memory, tinnitus and other symptoms. Parents can take care of the following two aspects: 1, adjust the dietary structure, reduce the intake of meat, diet based on seasonal vegetables and fruits, prohibit the consumption of spicy, stimulating food, can eat appropriate food to nourish Yin, such as black sesame, lily, silver fungus, etc.. 2, parents should help children to develop a good routine, do not stay up late, to ensure adequate sleep time.