Pollen is a traditional Chinese medicine also known as guayule root. It is effective in clearing away heat and promoting the production of fluids, clearing the lungs and moisturizing dryness, and has the effect of reducing swelling and draining pus. Its injection is used as an induced labor medicine to terminate early and mid-term pregnancies. Dermatology can treat all kinds of sores, itching, swelling and pain, because smallpox pollen has the effect of subduing swelling, relieving pain and draining pus, such as boils, furuncles, carbuncles, etc., which is the scope of treatment of smallpox pollen, and its application is very wide, smallpox pollen protein has obvious allergic reactions, but smallpox pollen decoction is taken, and there is no obvious adverse effect. A few patients have stomach upset, and those who are allergic to smallpox pollen should not take it.