Vitamin A can promote growth and development, protect night vision, and increase disease resistance and cancer resistance. Vitamin A deficiency can lead to growth retardation, developmental retardation and night blindness in children, but you must not take too many people to avoid chronic poisoning. Carotene contained in plants can be converted into vitamin A in the liver (1mg carotene = 0. 167 mg vitamin A).

1 Foods rich in vitamin A mainly include animal liver, fish, seafood, cream and eggs. For example: salted hairtail, crucian carp, silver carp, eel, squid, clam, cream, human milk, milk and so on.

2. Red and yellow vegetables, fruits and green leafy vegetables contain more carotene.

2. Traditional Chinese medicines for clearing liver and improving eyesight: mulberry leaves, chrysanthemum, medlar, Ligustrum lucidum, honeysuckle, cassia seed, etc.

Western medicine: cod liver oil pills, vitamin AD complex, etc.