A handheld shower includes a shower body and a liquid storage tank. The shower body has an inlet channel and an outlet portion, and the inlet channel communicates with the outlet portion. The liquid storage tank has a receiving space and a liquid outlet, and the receiving space is adapted to receive a cleaning solution. The liquid outlet communicates with the receiving space and is adapted to output the liquid solution inside the receiving space. The liquid storage tank is detachably engaged with the shower body, and the handheld shower is light and easy to carry. Thereby, users no need to carry many bottles of cleaning solution when traveling or on business trips, and have their own handheld shower when they are going out, enhancing the convenience of the journey and the comfort of bathing outside.