One avoid partial food nutrition before the age of three will determine the future development of intelligence. Two avoid scolding food Eating a meal and scolding will make them depressed and have poor digestion. Three avoid sugar to prevent children from tooth decay, should be controlled to eat sugar. Four avoid stimulating food can not add spices, coloring, preservatives. Parents should avoid telling exciting, scary and superstitious stories to children. Five avoid rubbing eyes A hand has about 400,000 bacteria and parasite eggs. Sixth, do not sleep in the dark, which can affect the development and growth of children.