Cassia seed tea is said to have the following benefits:

1. Improve male sexual function: Cassia seed helps tonify the kidneys and strengthen yang, and can improve male sexual function.

2. Enhance physical strength: Cassia seed tea is rich in vitamins and minerals, which can improve the body's resistance, enhance physical strength, and reduce fatigue.

3. Clear away heat and detoxify: Cassia seed tea has the effect of clearing away heat and detoxifying, which can remove toxins from the body, improve immunity, and reduce the occurrence of diseases.

4. Prevent insomnia: Cassia seed tea can soothe nerves, help people relax physically and mentally, optimize sleep quality, and prevent insomnia.

However, it should be noted that these benefits have not yet been supported by a large number of scientific studies, so whether cassia seed tea is beneficial to the human body in terms of sexual function needs further verification.