Excuse me, is there any preparation for the ground positions recruited by public institutions now?

Regular recruitment of workers has a preparation, depending on whether the cause is full supply or poor supply, self-financing! Ordinary workers are workers and cannot be promoted! Just can't get promoted. If I work for a long time, I can be hired and I can be promoted! In fact, the position you asked is the most basic civil servant, so don't worry that you won't be allowed to do cleaning work! As for the future, it depends on whether you can find a job. If you can't find a job, you can only work at the grassroots level all your life.