Prostaglandin microemulsion gel rubber preparation and method of producing the same

The invention relates to prostaglandin microemulsion-gel preparation and a preparation method thereof. The preparation comprises prostaglandin E1 or the derivative thereof, oil, emulsifier, assistant for emulsifying agent, gel substrate and water, and also possibly comprises a permeation accelerator, a preparation stabilizer, an antioxidant and antiseptics. The preparation has the advantages of good percutaneous permeability, no stimulation to skin and mucous membrane, simple preparation technique and stable quality, the preparation can be used for treating diseases such as ulcer of limbs caused by erectile dysfunction and chronic arterial occlusion and rest pain of limbs caused by microcirculatory disturbance.