1. 1 pill should be taken early, pill No.2 at noon and pill No.3 at night, with meals or within half an hour after meals (Kang Run is not a medicine, so it is not necessary to take it separately from three meals); 2. Can be swallowed or chewed, served with warm boiled water or vegetable soup or porridge; 3. Twins should double the dose in two weeks, and then take a single dose. If there is intrauterine growth retardation, double the dosage until the fetal growth and development are normal. The best effect of taking time is to start taking it 3 months before pregnancy and keep taking it until the end of lactation; The eugenic effect is taken from the third month of pregnancy to the end of lactation; The effect is remarkable: take it for more than 3 months before pregnancy (middle and late pregnancy) and for more than 3 months during lactation; Taking it more than 2 months after induced abortion can make up for the nutritional damage caused by induced abortion in a balanced, comprehensive and sufficient way, and supplement it in a targeted way at one time to accelerate the recovery of the body. Patients with gestational diabetes mellitus: take it for more than 2 years after delivery. Storage method: Avoid high temperature and humidity, and store in a cool and dry place. Note: (1). This product can't replace medicine (2). Please try to avoid taking it with similar nutritional supplements (similar supplements mainly refer to vitamin and mineral supplements), but you can take it with calcium preparations at the same time. Note: Due to improper storage methods, the first tablet and the second tablet may be oxidized, and the third tablet may be wet, which will affect the effect and even cause adverse reactions after taking it.