Dextran is an anti-anxiety and depression drug that is composed of two main drug components. One is haloperidol, which is a cetrone-like nerve blocker that acts as an anti-anxiety, depressive agent. The other is melitrexin, which is a bidirectional antidepressant with a stimulant effect in small doses and a sedative effect in large doses. The combination of the two has a very good effect on patients with anxiety and depression, and can be applied to a variety of patients with anxiety, depression, neurasthenia, menopausal depression, etc.