A system and a method for visiting a third party application through a cloud platform are disclosed. The method includes: receiving a cloud platform account and cloud platform password information inputted by a user; searching a stored binding information mapping table according to a third party application selected by the user to obtain the third party application and obtain access information not comprising cleartext password corresponding to the cloud platform account information, and transmitting the access information to the third party application server; and receiving authentication succeed information returned by the third party application server. According to the present disclosure, complexity of user's operations may be reduced when the user logs on frequently and security level of the user for visiting the third party application may be improved.