Insulin needle convenient to disinfect

The utility model discloses an insulin needle convenient to disinfect, which comprises an insulin needle body, an inner protective cap, a first protective cover, a needle seat, a second protective cover, a disinfection component and a shell for installing the disinfection component, the side, close to the insulin needle body, of the needle base is detachably connected with an inner protective cap for protecting the insulin needle body, and a limiting component is further arranged between the first protective cover and the second protective cover. The disinfection assembly is arranged in the second protection cover, matched with one end of the needle base in a clamped mode, used for disinfecting the skin of a patient and the insulin pen end connected with the needle base and comprises a first liquid storage cylinder, a second liquid storage cylinder, a first baffle, a second baffle and a first funnel channel. By means of the second funnel channel, the first cotton head, the second cotton head, the first cotton