The invention relates to the field of feed additives, and particularly discloses a feed additive formula capable of accelerating egg laying and increasing weight of chickens. The feed additive formula capable of accelerating egg laying and increasing weight of chickens comprises vitamin A, vitamin D3, vitamin E, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin K3, nicotinamide, folic acid, biotin, calcium pantothenate, vitamin C, choline, 18 amino acids, betaine, L-carnitine, organic selenium, macleaya cordata, a scutellaria baicalensis extract, astragalus polysaccharide, copper amino acid chelate, iron amino acid chelate, manganese amino acid chelate, zinc amino acid chelate, 25-hydroxy vitamin D, calcium amino acid chelate, earthworm powder, striga asiatica, endothelium corneum gigeriae galli, lotus plumule and plumeria rubra. The feed additive formula has the advantages of accelerating egg laying and increasing weight.