"3 12" 1: abdominal breathing. Lie flat or sit up, relax, empty your brain, focus on your abdomen and keep your chest still. Inhale naturally through the nose, and the lower abdomen will bulge. Exhale evenly through your mouth and your abdominal muscles will contract. This breathing method can mobilize the nine meridians in the abdomen and ensure the coordination of yin and yang in the internal organs. Meridian is the general name of meridian, and it is the system of human contact, transportation and conduction.

Two of "3 12" do squats. Leg movements can be accomplished by doing squats, jogging, walking and other movements with hands raised horizontally. When doing squats, you should relax all over, with your feet apart, shoulder-width apart, and stand naturally. Straighten your arms, raise them to your chest, and start squatting to the lowest position. Then kick and stand up straight.

Meridian, with the meaning of path, runs through the upper and lower parts and communicates inside and outside, and is the backbone of the meridian system; Collateral, meaning network, is a branch of meridians, smaller than meridians, criss-crossing and spreading all over the body. The ancients said: "Heguguan Zusanli, press it once a day to keep fit." These three points are the three main points of strengthening the body and treating diseases by physicians in past dynasties. Massage these three acupoints, cure the disease if you are sick, and strengthen your body if you are not sick.