A question recommendation method, a device, a system, an electronic device, and a non-volatile readable storage medium are provided. The question recommendation method includes: obtaining a candidate question set of a user, the candidate question set including a plurality of candidate questions; obtaining user behavior data, and obtaining a user interest parameter based on the user behavior data; based on the user interest parameter and the plurality of candidate questions, obtaining at least one similarity feature between each candidate question of the plurality of candidate questions and the user interest parameter; based on basic user information, the plurality of candidate questions, and the at least one similarity feature, sorting the plurality of candidate questions to obtain a question sequence; and based on an order of the question sequence, recommending at least one candidate question in the question sequence to the user.