Turtle shells are herbs that have not been deeply concocted, while roasted turtle shells are herbs that have been deeply concocted. The effect of turtle shell is emphasized on nourishing yin and submerging yang, while the effect of roasted turtle shell is emphasized on softening hardness and dispersing knots. It is the dorsal armor of the Chinese soft-shelled turtle of the family Pelodiscidae. It is salty, slightly cold, and belongs to the liver and kidney meridians, and has the effect of nourishing the yin and submerging the yang, relieving fever and removing steam, and softening and dispersing the hard lumps. It can nourish yin and submerge yang, treating yin deficiency and tidal fever, night sweating, heat illness and yin injury, and yin deficiency and wind movement. The efficacy of Roasted Tetrapterygium is emphasized in softening and dispersing nodules, and is indicated for treating lumps under the dorsum and in the abdomen caused by stasis of blood, as well as amenorrhea in females. The adverse effects of this product are not clear. It should be used with caution in pregnant women. The drug should be taken under the guidance of a doctor and should not be used on its own.