The invention discloses a self-brushing type filter valve which comprises a valve body, an inlet valve disc arranged at the front end of the valve body, an outlet valve disc arranged at the back end of the valve body, a self-brushing filter screen installation base obliquely arranged in the valve body, a self-brushing filter screen arranged on the filter screen installation base, and a deslaggingpipe arranged on the lower side of the valve body. According to the self-brushing type filter valve provided by the invention, the filter screen can be brushed automatically in the use process, so that the probability of blocking the filter screen is greatly reduced, the service time of the product is greatly prolonged, the maintenance frequency of the product is reduced, an utilization effect ofmanpower resources is improved, and the production cost of enterprises is reduced.