A low lustre weather resisting powdery paint is composed of polyester resin A and B. The weight percent of the composition of A is : the new pentadiol 80-100, 2-methyl-1,3-propylene glycol 0-20, 1,4-cyclohexane dimethyl alcohol 0-10,1,6-hexylene glycol 0-5,trimethylolpropane 0-3, terephthalic acid 100-130, m-phthalic acid 10-50, adipic acid 0-5,dibutyl tin oxidate 0.1-0.3; and the B is :the new pentadiol80-100, 2-methyl-1,3-propylene glycol 0-10, 1,4-cyclohexane dimethyl alcohol 0-5, 1,6-hexylene glycol 0-5, trimethylolpropane 0-10, terephthalic acid 120-150, m-phthalic acid 10-50, adipic acid 0-8, dibutyl tin oxidate 0.1-0.3. The A and B are of high transformation temperature, good stability and so on, The paint has the lustre domain of 15-40%.