Aminogam tablets mainly have analgesic effect and are available for patients with menstrual pain. It is a compound preparation, the main ingredients of which include aminopyrine, caffeine and calcium glycerophosphate. Aminopyrine is an analgesic that acts as an antipyretic by inhibiting the synthesis of hypothalamic prostaglandins and restoring the normal response of the thermoregulatory central sensory neurons, as well as an analgesic by inhibiting the synthesis of prostaglandins. In addition, it can inhibit the synthesis and release of prostaglandins in inflamed local tissues, and can stabilize lysosomal enzymes to play an anti-inflammatory role. Caffeine is a central nervous system excitatory drug, which can excite the cerebral cortex, improve the sensitivity to the outside world, and can constrict the cerebral blood vessels, which can strengthen the effect of aminopyrine to relieve headache. Calcium glycerophosphate is a supplement for blood calcium in the body, which can lower the blood calcium concentration and maintain the normal physiological function of the body. This drug has mainly analgesic effect and can be used for headache, neuralgia and dysmenorrhea.