PURPOSE: An oriental medicinal composition for treating premature ejaculation is provided to delay intravaginal ejaculatory latency time and to prevent, treat, and relieve premature ejaculation. CONSTITUTION: A pharamceutical composisiton for preventing and treating premature ejaculation contains 100 parts by weight of thermal-treated Ostreae concha, 50-150 parts by weight of Rehmannia glutinosa, 150-200 parts by weight of Rubus coreanus Miq., 100-200 parts by weight of Nelumbinis semen, 50-100 parts by weight of Cornus officinalis, 50-100 parts by weight of Euryale ferox seeds, 50-100 parts by weight of Bupleurum falcatum, 50-100 parts by weight of Nelumbo nucifera stamen, and 50-150 parts by weight of Euphoria longana L. as active ingredients. The pharmacetuical composition further contaisn 25-75 parts by weight of Poria ocos or Fossilia ossis Mastodi. [Reference numerals] (AA) Before injection； (BB) After injection； (C1) Subject 1； (C10) Subject 10； (C11) Subject 11； (C12) Subject 12； (C13) Subject 13； (C14) Subject 14； (C15) Subject 15； (C16) Subject 16； (C17) Subject 17； (C18) Subject 18； (C19) Subject 19； (C2) Subject 2； (C20) Subject 20； (C3) Subject 3； (C4) Subject 4； (C5) Subject 5； (C6) Subject 6； (C7) Subject 7； (C8) Subject 8； (C9) Subject 9； (D1) 41 minutes 20 seconds； (D2) 18 minutes 10 seconds； (D3) 35 minutes 40 seconds； (D4) 12 minutes 5 seconds； (D5) 18 minutes 25 seconds； (D6) 14 minutes 50 seconds； (D7) 13 minutes 15 seconds； (D8) 13 minutes 10 seconds； (D9) 12 minutes 20 seconds； (EE) IELT(minutes)；본 발명은 하모려, 복분자, 숙지황, 연자육, 산수유, 감인, 시호, 연화예 및 원육을 유효성분으로 포함하는 남성의 사정을 지연시키는 조성물에 대한 것이다. 본 발명의 조성물은 조루증의 예방, 치료 및 개선에 효과가 있다.
