1. Amethyst has the functions of calming the mind, calming the nerves, reducing adverse qi, and warming the uterus. It can treat cough, qi, and infertility symptoms in women.

2. "Bie Lu": cures upper qi, abdominal pain, cold and heat evil qi, knotted qi, replenishes insufficient heart qi, calms palpitations, soothes the soul, calms the lower scorch, relieves thirst, and removes chronic cold in the stomach. Scattered carbuncles and swelling.

3. "Treatise on the Properties of Medicine": If women take it, youzi can nourish lung qi, treat epilepsy, pus, and those who are weak and have panic and palpitations. Use it in addition.

4. "Compendium of Materia Medica": It warms and nourishes the blood, can unblock the extraordinary pulses and suppress the rising Qi.