The invention relates to a tubular nickel electrode for an alkaline battery and a preparation method of the tubular nickel electrode. The tubular nickel electrode comprises at least one conductive base core, a collector electrode connected with one end of each conductive base core, and drainage pipes sleeved outside the at least one conductive base core, wherein one end of each drainage pipe is sealed and the other end of each drainage pipe abuts against the collector electrode; the number of the conductive base cores is the same as that of the drainage pipes; an active substance is filled between each conductive base core and the corresponding drainage pipe. Each drainage pipe is formed by weaving and curing a textile material with the high corrosion resistance, and an inward stress is provided for the active substance, so that the negative effect caused by the volume change of the active substance is neutralized, the active substance is prevented from being fallen off when the electrode is used, and the service life of the electrode is prolonged.