The present disclosure provides a washable straw of high practicality, including a middle connecting body, a first snap-fitting body connected with one side of the middle connecting body, and a second snap-fitting body connected with another side of the middle connecting body opposite to the first snap-fitting body. The first snap-fitting body and the second snap-fitting body are movably connectable by snap-fitting. The structural design of the present disclosure is rational. Through the control of the dimensions of the various components and the elastic contraction of the material, a reliable connection and a certain degree of sealing and leak-proof effect can be achieved. Moreover, it is easy to use and wash, and has an outstanding result of application.