Embodiments of the present disclosure provide a warning method, apparatus and a processing server. The method may include: pushing an associated message event to a target official account when the associated message event of the target official account is detected; obtaining abnormal information if the associated message event is not successfully pushed to the target official account; obtaining a warning condition that corresponds to the target official account; generating a warning message according to the abnormal information if the abnormal information satisfies the warning condition, and outputting the warning message to the target official account. By means of the present disclosure, an abnormality in a service process of a target official account can be warned, thereby ensuring that a fault can be resolved in time, an information exchanging process of the target official account is smooth, and service quality of the target official account is improved.