Novel detachable flat bottom test tube

The utility model discloses a novel detachable flat bottom test tube which comprises a test tube body composed of a bottom tube and a main tube. The bottom portion of the bottom tube is a plane. The bottom tube and the main tube are in threaded connection. An inner thread is arranged on the connection portion of the main tube. An outer thread is arranged on the connection portion of the bottom tube. A tube plug is arranged on an opening of the main tube. The bottom tube and the main tube are made of transparent materials. The novel detachable flat bottom test tube has the advantages of being practical, low in production cost and convenient to use, fruit bat fly third stage larvae which are not polluted and attached on the inner wall of the test tube can be transferred to a new culture medium, so that the fruit bat fly third stage larvae are effectively protected, and accordingly fruit bat flies which are not polluted are cultured in the new culture medium as parents, and the purpose of degerming and detoxication is achieved.