The invention belongs to the technical field of Internet, and in order to solve the problem that at present the conference files are easy to disclose, the invention provides an Internet-based secure conference encryption method and a readable storage medium. The method is characterized by comprising the following steps of using a server to generate a first character string according to an identification code of a team member, wherein the first character string is used for unlocking a file, and the number of the team members is N; when the file is opened, searching the identification code in the meeting area, and generating a matching string according to the searched identification code, wherein the number of participants is M; at the beginning of the meeting, matching the matching string with the first string, wherein the coincidence degree of the matching string and the first string is Q; if 0.5 <= Q=M/N, unlocking the file; if Q