For double arrays of constants ${a_{ni},;1{leq}i{leq}k_n,;n{geq}1}$ and sequences of negatively orthant dependent random variables ${X_n,;n{geq}1}$, the conditions for strong law of large number of ${sum}^{k_n}_{i=1}a_{ni}X_i$ are given. Both cases $k_n{uparrow}{infty};and;k_n={infty}$ are treated.