A gel valve comprising a main body, a secondary body, seals, and a sealing encapsulation device. The main body is fixedly connected to the secondary body. The main body features a cavity, while the secondary body has two cavities. The seals are fixed between the main and secondary bodies. The rear end of the sealing encapsulation device is mounted on the seals, isolating the cavities through the device. The secondary body includes an inlet and outlet for the gel, which are connected to the two cavities. Inside the sealing encapsulation device, there is a storage cavity connected to the two cavities.