Pentazocine is an important neurotransmitter in the central nervous system, and its effects and functions are mainly to alleviate symptoms of depression, adjust sleep, and adjust gastrointestinal function. 1. Relieve symptoms of depression: Some studies have found that an appropriate increase in the level of pentazocine in the brain can effectively alleviate the symptoms of depression, and if the central system is deficient, it may lead to the occurrence of depression. 2. Adjust sleep: Pentazocine in the brain mainly exists in the pineal gland and hypothalamus, which can adjust the sleep cycle, improve sleep and adjust the biological clock. 3. Adjustment of gastrointestinal function: Pentazocine has the effect of vasoconstriction and stimulation of smooth muscle contraction, which can improve gastrointestinal function. If the symptoms of anorexia occur, they can be relieved by increasing pentazocine appropriately. Pentazocine is a catecholamine drug that can cause a sense of pleasure, which can lead to addiction in severe cases, and must be used under the guidance of a doctor.