Professor SUN Guang-rong summed up general syndrome differentiation elements into 10 kinds,season,male and female,young and old,dry and wet,work and rest,widowhood,fertility,old and new,rich and poor,smooth and not smooth.To be specific,season for the climate of solar terms,is the background;male and female for gender situation,is the premise;young and old for the age,is the direction;dry and wet for the living environment,is the small background;work and rest for personal life condition,is the internal reason;widowhood for a condition of marriage,is the external reason;fertility for the condi...