Portable device and method for functional contact lens case

The invention discloses a portable device and a method for a functional contact lens case. The portable device comprises cleaning devices, storage devices and a liquid replacement device. Lens case covers are riveted and fixedly arranged at the upper and lower ends of a contact lens cleaning box body; each lens case cover is internally provided with balls and granular silica gel to form the corresponding cleaning device; the storage devices are used for storing contact lenses wearing on left and right eye, are respectively screwed and buckled at two ends of the lens case body through push-and-pull switches and push-pull rod links and control the storage state of the contact lenses on suckers; the liquid replacement device is a combination of an airbagcover and a sealed liquid replacement opening; the airbagcover for storing nursing liquid is fixedly arranged in a cavity of the lens case body; the sealed liquid replacement opening formed by splicing three halves of silica gel is drawn out from the middle part