That is, oyster general routine dosage standardized use has no side effects, it is recommended that each dosage of 9-30g, oyster contraindications and side effects are not clear, it is recommended to use under the guidance of a doctor. Oyster is salty, astringent and slightly cool in nature, it has the effects of re-calming and tranquilizing the mind (using ores and shellfish to stabilize the mind), calming the liver and submerging the yang (suppressing yang qi that rises too much in the liver), astringent and solidifying astringency (astringing and consolidating), and softening and dispersing knots (softening and dispersing the hard knots). This product can be used for tinnitus and vertigo caused by hyperactivity of liver yang (excessive liver yang, causing dizziness, dizziness, headache, etc.), insomnia caused by palpitation (accelerated heartbeat, often accompanied by panic), spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with slight movement), night sweating (abnormal sweating after going to sleep, stopping sweating after waking up), scrofula (mainly refers to tuberculosis of cervical lymph nodes), phlegmonous kernel (a nodule that is like a kernel that has been swollen under the skin), and so on. etc. Calcined oyster can also be used to control acid and relieve pain, treating stomachache, acid water flooding and so on. The contraindications for the use of oyster are not clear, if you want to use oyster, it is recommended to ask the doctor, under the guidance of the doctor with other drugs.