If both parents are farmers, it is enough for the work unit to fill in the occupation and farm at home; If the parents are migrant workers and there is no specific work unit, the work unit can fill in the place of work, fill in the town, and fill in the position of "work".
If the father and mother are engaged in business, the work unit should fill in the place of business, and the position should fill in "business" or "self-employed".