The preliminaries are generally organized by the provinces themselves, and the time is different. It is usually arranged around June and July. Students who want to take part in the subject competition must register from the preliminary round.

Prediction of the holding time of mathematical competitions at all levels in 2022 (1) preliminaries: the preliminaries are generally organized by the provinces themselves, with different times, usually arranged around June and July. Students who want to take part in the subject competition must register from the preliminary round. (2) League match: It is expected to be held in mid-September 2022. Conduct the first trial and the second trial, and win the first, second and third prizes at the provincial level, among which the members of the provincial team are eligible to participate in the finals. (3) Final (Winter Camp): It is expected to be held in the middle and late February of 65438+,and won the first, second and third prizes abroad, including 60 people selected by the national training team. (4) National Team: Two rounds of training team selection were conducted, and finally six people were selected to form the national team to participate in IMO. (5)IMO: Generally, it is conducted in July of the following year.