The company has paid social security for more than 20 years and is now laid off. Can I be exempted from paying social security?

Of course. For old-age insurance, the first condition is that the payment reaches 15 years, and the second condition is that the retirement age is reached. You have been here for more than 15 years, and you can go through the pension collection procedures when you reach retirement age. As for medical insurance, you can enjoy treatment while paying. After reaching retirement age and the accumulated payment has reached a certain number of years, no longer pay, only enjoy the treatment. The cumulative payment period varies from place to place, but your 22 years are generally enough. However, because I haven't reached retirement age, I'm afraid I have to continue to pay medical insurance before I can retire. So you can stop paying it, and it won't affect your pension when you retire. But medical insurance, I am afraid, will be affected. At this time, unemployment insurance comes into play. You can handle matters related to unemployment insurance and receive unemployment benefits. The medical insurance premium is paid by the unemployment insurance fund for you, so the medical insurance benefits are not affected. But unemployment insurance can only be enjoyed for two years at the longest. If you haven't re-employed after two years, I'm afraid you will have to pay the medical insurance fee yourself, otherwise you won't enjoy the medical insurance benefits before retirement.