How to write the reason for the hospital to declare a nutritious and healthy canteen?

The reasons for the hospital to declare a nutritious and healthy canteen are as follows.

1, this is XXX, a villager in XX village, XX town.

My son XXX is now in Grade One of XX School.

3. Because my family economy is very difficult.

I specially applied to the school to let my son enjoy a nutritious and healthy canteen at school.