A type of injection valve comprising a main body, a second main body, sealing elements, and a sealing housing assembly. The first main body is fixedly connected to the second main body, the first main body having a cavity, the second main body having two cavities. The sealing elements are fixed between the first and second main bodies. The rear end of the sealing housing assembly is fixed to the sealing elements, thereby isolating the cavities through the sealing housing assembly and sealing elements. The second main body has an inlet and an outlet port, which are connected to the two cavities. The sealing housing assembly includes a storage cavity, which is in communication with the second cavity.