Bass is suitable for three and a half year old babies to eat, be careful not to overdo it. Perch is rich in high-quality protein, per 100g of perch generally have about 19g protein, moderate eating can provide a lot of protein, amino acids, etc. for the baby, for the baby’s growth and development to provide a certain amount of nutrition. According to the different growth environment, sea bass is divided into river bass and sea bass, the nutritional composition does not have much difference, the taste is different. Bass contains many vitamins, such as vitamin A, vitamin D, vitamin E, etc., and a variety of trace elements, such as calcium, iron, zinc, selenium, etc., which are essential elements for the growth and development of children, and can promote the growth and development of babies to a certain extent. 100g perch contains 3.4g of fat, which is high in DHA, and three and a half year old babies can eat perch for brain health. Three and a half year old babies can eat fish once a week, which helps to supplement nutrition, but note that those who are allergic to sea bass should eat with caution. Daily diet must ensure food diversity, diet and nutritional balance, do not favor picky food, so as not to lead to the body lack of nutrients.