Herbal oyster is not recommended to use 30 grams per day on its own, this medicine should not be used for a long time. It is difficult to generalize as the exact effect will be related to the condition and other factors. Oyster is salty in taste, slightly cold in nature, and belongs to the liver, gallbladder and kidney meridians. It has the effects of submerging yang and tonifying yin (treating yin deficiency of the liver and kidney, and hyperactivity of the liver and yang), tranquilizing the mind (using ores and shellfish to stabilize the mind), and softening and dispersing knots (softening and dispersing hard lumps). It can treat palpitations and insomnia, mass in the abdomen, lumps in the abdomen, dizziness and tinnitus, scrofula, phlegm nuclei (lumps under the skin like nuclei), etc. However, oysters should not be taken in excess or as an overdose. However, oysters should not be taken too much or for a long time to avoid constipation, indigestion and other adverse reactions. In addition, those who are allergic to oyster should be prohibited from using it. If you need to use oyster, it is recommended to follow the doctor’s prescription strictly after the professional doctor’s diagnosis, do not use it on your own, so as to avoid improper use of medication and adverse effects.