《伤寒论·辨不可发汗病脉证并治》
脐左有气筑筑然跳动，是肝气虚，不能发汗。误发其汗，就会引起头昏目眩、汗出不止、筋肉跳动的变证。
动气在左，不可发汗，发汗则头眩，汗不止，筋惕肉目闰。
There is a throbbing feeling on the left side of the navel, indicating that the liver qi is weak and cannot sweat. If you sweat in error, dizziness, dizziness, sweating, and twitching of muscles will occur. Variation.