The utility model relates to a cultivation NK alcohol burner for cell, include and add pour plug and filling funnel, add the pour plug stopper on the filler of the side of lamp body, the export of filling funnel and the entry magnetic adsorption who adds the pour plug connect, it includes the cock body to add the pour plug, a sealing cover, reset spring and connecting rod, the export of sealed lid closed cock body under reset spring's effect, first magnetic ring has been buried underground in the entrance of cock body, the exit of filling funnel sets up the second magnetic ring, exit at the filling funnel still is provided with the ejector pin, the nose top of ejector pin is on the connecting rod, in order to relieve the sealed effect of sealed lid to the export of cock body. The beneficial effects of the utility model are that: need not to take out the wick and just can behind the alcohol of having annotated, take off the filling funnel directly to the alcohol of annotating in the lamp body with other funnel, add automatic realization of pour plug and seal up, can not disturb the use of alcohol burner because of the existence of filling funnel in addition.