Special pollination pen for artificial cross breeding

The invention provides a special pollination pen for artificial cross breeding. The special pollination pen is characterized by comprising a sleeve head and a refill which is in rotary connection withthe sleeve head, wherein the sleeve head is of a semi-oval tubular structure with one sealed end; threads are arranged at the inner side of an opening end of the sleeve head and the outer side of a tip of the sleeve head; the refill comprises a pen tube ad a retractable pen top in the pen tube; threads are arranged at the outer sides of two ends of the pen tube; the threads at two ends of the pentube are mutually adaptive to the threads at the two ends of the sleeve head; the thread at the outer side of the tip of the sleeve head is located at the thickest part of the sleeve head. The pollination pen provided by the invention integrates pollen, alcohol and the pollination pen and artificial pollination operation is greatly convenient to realize; the pollination efficiency is also improved; the time is saved and t