The invention discloses an information processing method and a client side. The information processing method includes: opening a first application, triggering and displaying designated information customized by a first user if preset conditions are met, and displaying a first control on the designated information; taking the first control as a first entrance triggering interaction of different applications, and logging in a second application after triggering to log in current user authorization verification of the first application so as to enable supportive information between the first application and the second application to be shared mutually; sharing first link information uploaded in the first page to a social group of the second application; content corresponding to the first link information is relevant to the designated information.