Detective is a social application dating software based on geographical location. Exploratively use big data intelligent recommendation and lbs technology to push matching people for users according to their personal data, location, hobbies and other information. Users can get to know people nearby by sliding, with left sliding indicating dislike and right sliding indicating liking. Exploratory also provides the functions of sending short messages, voice and photos, and a recommendation mechanism based on * * * the same interests and * * the same mobile phone contacts, which is based on geographical location. The discovery application provides a simple registration process that allows users to quickly join the discovery social circle. Explore the use of gps positioning function, so that users can find people around them, but also enhance the visual effect of photos, so that users can understand each other's image more intuitively. Exploring also pays special attention to the privacy protection of users, and only adopts the mode of two-way chat when you like it, which effectively prevents the harassment of people you don't like. When users accidentally slide in the wrong direction, they can choose the wrong pairing or dislike each other.