The summer heat is really unbearable, and the mosquitoes and flies in summer are really annoying, but when I think of Yang Wanli's song, "Spring is silent and precious, and the shade shines on the water and loves sunny and soft." Xiao He just showed his sharp corner, and the dragonfly had already stood on his head. "A cool feeling will immediately rise from the bottom of my heart.

I just saw a dragonfly flying by, so I crept up and took a group of photos. It is still an unusual leopard dragonfly.

I checked Compendium of Materia Medica by the way, and sure enough, there are medicinal records in it.

"Compendium of Materia Medica" records that dragonflies are also called dragonflies, negative labor, various kinds of riding and spinning sheep.

Shizhen said that dragonflies have big eyes, a short neck, a long waist and a single tail, wings as thin as gauze, eat mosquitoes and drink dew.

Hydra becomes a dragonfly, the dragonfly gives it to the water, and when the connection is broken, it becomes hydra.

There are five or six kinds of dragonflies, and only those with big blue eyes or males can be used as medicine.

The smell is slightly cold and non-toxic.

Can nourish yin, stop spermatorrhea, strengthen yang and warm kidney.