The utility model belongs to the technical field of the electronic equipment technique and specifically relates to a home key waterproof construction and cell -phone is related to. Home key waterproofconstruction includes: home key main part, support and waterproofing mechanism, home key main part sets up the top of support, waterproofing mechanism's one end is connected the border of home key main part, waterproofing mechanism's the other end is connected on the border of support to be used for the contact of separation sweat or water droplet and electrical components. Get into water droplet(or sweat) in order to alleviate the home key that exists among the prior art easily with the break joint crack of touch -sensitive screen glass apron, can lead to cell -phone platelet components andparts and shield that components and parts are intake and the technical problem that damages.