A 40 day old baby is not allowed to eat rice pudding. A 40-day-old baby can only be breastfed or given formula and is not allowed to have any complementary foods. Complementary foods are not usually added until the baby reaches 6 months of age. Rice pudding can be tried when babies first start to add complementary foods. At the same time, you can also eat some pureed fruits and vegetables. After 7 months of age, you can gradually add some egg yolk, meat, fish, tofu and other foods. Considering that the intake of complementary foods has large individual differences, the limit is not to affect the total amount of milk. At the same time, the baby to eat the complementary food should keep the original flavor, 12 months of age should not add salt, sugar and stimulating seasonings. 1 year old gradually try to light taste of the meal.