Generally intake of probiotics and calcium is not conflicting, can be eaten together, but calcium may generally be considered to cause intestinal constipation, need to pay attention to the intake of a certain amount of water, adjust the diet structure to avoid constipation, the choice of probiotics is mainly to choose a diversity of probiotics, such as Bacillus subtilis, Bifidobacterium, Lactobacillus and other kinds of probiotics. In addition, due to personal constitution, its adverse reactions are not absolute. After joint use, we need to pay close attention to the shape of stool and whether there are symptoms such as bloating, abdominal pain and indigestion.