Liquid filter

The invention discloses a liquid filter, which is used in the technical field of liquid impurity filtration, such as water treatment. In the liquid filter, impurities in liquid does not act on a filter screen transversely or downwards with pressure and liquid passes through the filter screen from the bottom up at last. The liquid filter solves the problems of filter screen blockage and incomplete impurity removal by filtration, which are caused by the use of the traditional method for filtering the liquid. The impurities are completely filtered out and removed. Accessories of the liquid filter can be adjusted according to actual conditions. And the accessories are either manual or automatic.