Objective:　Resistance　exercise　is　an　effective　strategy　to　improve　muscle　strength　in　older　adults.　A　limited-load　resistance　would　be　flexible　and　suitable　for　community-based　training.　It　was　unclear　whether　high-frequency　resistance　exercise　offer　additional　benefits　to　older　adults.　Here,　we　aimed　to　examine　the　effect　of　limited-load　resistance　exercise　among　different　frequency　on　muscle　parameters　in　older　adults.　Methods:　The　current　study　was　a　single-blind,　randomized　controlled　trial　comparing　the　effectiveness　of　different-frequency　resistance　exercise　in　older　adults.　Change　in　skeletal　muscle　was　estimated　with　a　multi-frequency　bioelectrical　impedance　analyzer.　Demographics,　physical　examination,　nutritional　assessment,　prealbumin　and　lymphocytes　were　also　measured.　Fisher’s　precision　probability　test　and　baseline-adjusted　generalized　linear　models　were　applied　accordingly　to　analyze　the　influence　of　dose-different　exercise　on　prevalence　of　sarcopenia,　muscle　parameters　and　body　composition.　A　two-sided　p　value　of　＜　0.05　was　defined　statistical　significance.　Results:　The　participants　had　a　mean　age　of　71.96　years　and　close　gender　ratio.　One　hundred　and　twenty-seven　participants　(control　40;　low-dose　46;　high-dose　41)　completed　the　6-month　exercise　intervention.　In　contrast　to　control　group,　only　high-dose　exercise　groups　experienced　improvements　in　muscle　mass　(0.66 kg,　p　＜　0.001)　and　max　grip　strength　(+　2.17 kg,　p　＜　0.001).　There　were　significant　dose-response　effects　of　muscle　mass　(index),　fat　mass　(index),　max　grip　strength,　5-times　sit　to　stand　test,　6-minute　walking　test　and　visceral　fat　area　(all　ptrend　＜0.01).　Conclusions:　As　the　proved　dose-dependent　effect,　current　findings　supported　high-frequency　limited-load　resistance　exercise　applied　and　extended　among　older　adults　in　community.　Trial　Registration:　This　study　was　registered　at　Chinese　Clinical　Trial　Registry　Network　(ChiCTR2200062007,　Registered　on　19　July　2022).　©　The　Author(s)　2024.