One and a half year old baby, a wide range of activities, exposure to complex and diverse food, the child’s personality is also more distinct, so in the care of the following points should be noted: First, good safety protection. This period of little baby curiosity is very heavy, and action ability is very strong, so parents must put away sharp objects at home, coffee table and glass sides should also be wrapped, so as not to accidentally hurt the child. Second, because children are exposed to a very complex and diverse food, and preference for sweets, so clean teeth is particularly important. Because dental health affects the child’s life, it is recommended to brush the child’s teeth every morning and evening. If your child can’t accept it, you can start by brushing your teeth at night, and then gradually increase it to once in the morning and once in the evening after your child gets used to it. Thirdly, encourage your child to play appropriate outdoor sports. When the weather is good, we should encourage children to play more outdoor sports, breathe fresh air, home should also regularly open the windows to ventilate, the indoor temperature should be controlled at 25-26 ℃ is appropriate, humidity is generally at 55%-60%.