AdSense program policies
Google AdSense Policies Overview
Publishers may not click their own ads or use any means to inflate impressions and/or clicks artificially, including manual methods.
Clicks on Google ads must result from genuine user interest. Any method that artificially generates clicks or impressions on your Google ads is strictly prohibited. These prohibited methods include, but are not limited to, repeated manual clicks or impressions, automated click and impression generating tools and the use of robots or deceptive software. Please note that clicking your own ads for any reason is prohibited.