Saffron cannot lower blood pressure and blood sugar. Chinese medicine believes that high blood pressure belongs to vertigo disease and diabetes belongs to thirst-quenching. The effects of saffron are activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), cooling the blood and removing toxins (referring to the treatment of blood heat and toxins), etc. The effects of saffron on the treatment of vertigo, thirst and other diseases are not yet clear. Saffron, sweet in flavor and flat in nature. It belongs to heart and liver meridians. It has the efficacy of activating blood circulation and removing blood stasis, cooling blood and removing toxins, relieving depression and tranquilizing the mind. It is used in treating menstrual obstruction, post-partum stasis, warm poisonous spots (spots and plaques on the skin caused by warm and hot poisonous evils invading the body), depression and congestion, palpitation and frenzy, etc. It is not recommended for pregnant women. It should be noted that pregnant women should not take it. If you need to take saffron, it is recommended to do so under the guidance of a doctor.