Drug composition: Tribulus terrestris, Angelica dahurica, Centipede (punching), Luo Fan Fang (first), Xian Ling Spleen, Roasted Astragalus, Angelica Sinensis, Radix Rehmanniae, Ocimum sanctum, Radix et Rhizoma Glycyrrhizae, Bacopa monnieri, Turtle A (first), Silkworm, Acorus calamus, Yuan Hu. Functions: Benefit the kidney and fill the essence, dredge the liver and regulate the qi, tonify the qi and nourish the blood. Dosage: Soak the herbs in one dose for 1-2 hours (water can submerge the surface of the medicine after heavy hand pressure) about 500ML, decoct on high heat, 30 minutes on low heat, pour out the decoction (first decoction); put the remaining dregs in water again (the amount of water is 1/2 of the first decoction), decoct on high heat, 30 minutes on low heat, pour out the decoction (second decoction); mix the first and second decoction evenly and take it in two doses. Put the medicine into the decoction pot for 30 minutes, then decoct with other medicines. Or decoct with fine products if available. If the fine product is stated to be decocted first then single decoction for one hour first. Principle of action: For premature ejaculation, it is advisable to treat the liver and use more acid and sweet to transform yin. Liver qi stagnation is not enough for impotence, but too much for premature ejaculation. Nowadays, men are mostly depressed, depression turns into fire, fire burns the essence, liver blood is insufficient and liver fire is surplus, which is the main cause of internal injury and premature ejaculation. And should be more acid sweet Yin products, because acid can astringent, Gan can slow down the urgent, so the choice of experimental formula Wu Mei Gan Cao Tang. The so-called dredge, is to dredge the liver and Qi, to restore the function of draining; the so-called guide, is to guide the damp-heat stagnation, guide the semen under the reach The so-called regulation is to harmonize the qi and blood, and regulate the opening and closing function of the kidney meridians, so that they return to common.