Lithium carbonate tablets are mainly used for the treatment of mania, depression and so on. Lithium carbonate tablets are used for the treatment of mania, mania as well as depression alternating episodes of bipolar affective psychosis has a better treatment and prevention of relapse, but also for the treatment of schizoaffective psychosis, there is to promote the nerve cells, to the synaptic gap in the re-uptake of norepinephrine, contributing to mood stabilization. Some patients may experience adverse reactions such as nausea, vomiting, polyuria, irritable thirst, etc. when taking the drug, patients are advised that they need to stop taking the drug immediately, and it is prohibited for use in patients with severe heart disease. It is recommended that patients strictly follow the doctor’s instructions to use the drug, not blindly use the drug or change the dose of the drug without authorization, so as not to cause adverse effects on the body.