Children's height is greatly influenced by genetic factors, but acquired factors also account for about 30%. When children are low, we must first ensure the necessary human factors such as balanced nutrition and calcium supplementation, and ensure adequate sleep time. It is obvious that children should go to regular medical institutions for physical examination when they find that they are low. The standard height of a 7-year-old boy in China is 1 15 cm. If the 7-year-old boy's body is less than this value, it is very low. Height is influenced by 70% genetic factors and 30% acquired factors, and acquired factors are also very important to height.

Why is the child not tall?

1. Children's height will be affected by factors such as unbalanced or insufficient nutrition, lack of outdoor exercise and insufficient sleep time.

2. The human body lacks essential trace elements such as calcium, iron and zinc, which will affect children's symptoms such as malnutrition, slow bone development and fatigue.

3. The height is obviously low, which may be due to diseases such as dwarfism.

4. Affected by parents' genetic factors.

The child is not tall.

1, ensure the balanced nutrition of children's three meals, and ensure the balanced intake of milk, chicken and eggs.

2, to ensure that children have enough sleep and rest time, help children's height growth.

3. Taking children to outdoor sports is helpful to their height growth.

4. Under the guidance of a doctor, supplementing essential factors such as calcium, iron and zinc will help to increase the child's height.