The invention relates to a continuous water bath sterilization pot. Horizontal sliding gate type feeding and discharging sealing devices adopt the principle of back pressure sealing of gate type U-shaped seal rings and adopt the mode of parallel feeding and discharging. The continuous water bath sterilization pot is suitable for sterilization processing of articles, such as flexibly packaged drinks, flexibly packaged medicaments, ham sausages, flexibly packaged food, pop-top cans, plastic packages and plastic cans, and is mainly formed by combining a material conveying chain, the horizontal sliding gate type feeding sealing device, a sterilization cabin, double layers of load conveying devices, a high-temperature water supply and recovery system, a cooling water supply and recovery system, the discharging sealing device, and the like. The continuous water bath sterilization pot has the advantages that the used sterile water is repeatedly heated by a boiler and then is reused after being filtered and the used cooling water can undergo circulating cooling in a cooling water tower and then can be used, so that the heat energy and plenty of water resources can be saved and the floor area can be reduced; the horizontal sliding gate type feeding and discharging sealing devices can enter 1-3 frames once; the continuous water bath sterilization pot can achieve the effect of increasing the degree of automation and has high application performance and reliability.