The most popular Cdramas of 2018 according to TV ratings:

1 Kite (Ep. 26-47) (BTV) 1.615
2 Mr. Right (Dragon TV) 1.561
3 Mother’s Life (BTV) 1.543
4 Kite (Ep. 26-47) (Dragon TV) 1.53
5 The Story of Zheng Yang Gate 2 (BTV) 1.414
6 Ashes of Love (JSTV) 1.301
7 The Family (BTV) 1.274
8 Wonderful Life (Dragon TV) 1.267
9 Like a Flowing River (BTV) 1.251
10 Mask (BTV) 1.231
11 Negotiator (Hunan TV) 1.192
12 Wonderful Life (BTV) 1.181
13 The Drug Hunter (Dragon TV) 1.125
14 Red Rose (Ep. 29-48) (JSTV) 1.104
15 Old Boy (Hunan TV) 1.081
16 Long Time No See (Dragon TV) 1.062
17 The Drug Hunter (JSTV) 1.059
18 Flipped in My Youth (Hunan TV) 1.043
19 Mr. Right (JSTV) 1.026
20 Sweet Dreams (Hunan TV) 1.018
21 The Way We Were (Dragon TV) 0.984
22 Blade AttacKing (JSTV) 0.981
23 Patriot (JSTV) 0.959
24 Love’s Lies (Dragon TV) 0.955
25 Peace Hotel (ZJSTV) 0.944
26 Long Time No See (BTV) 0.942
27 Mother’s Life (JSTV) 0.938
28 Lost in 1949 (Dragon TV) 0.929
29 Mr. Nanny (Dragon TV) 0.921
30 Like a Flowing River (Dragon TV) 0.866
31 Our Glamorous Time (Dragon TV) 0.849
32 Love’s Lies (BTV) 0.848
33 Meteor Garden (Hunan TV) 0.841
34 The Great River (JSTV) 0.841
35 Legend of Fuyao (ZJSTV) 0.84
36 Here to Heart (Hunan TV) 0.838
37 Sweet Combat (Hunan TV) 0.833
38 Lost in 1949 (BTV) 0.8
39 Always with You (ZJSTV) 0.794
40 Mr. Nanny (ZJSTV) 0.793

Numbers of dramas that simultaneously aired on several channels put together:

1 Kite (Ep. 26-47) (Dragon TV & BTV) 3.145
2 Mr. Right (Dragon TV & JSTV) 2.587
3 Mother’s Life (BTV & JSTV) 2.481
4 Wonderful Life (Dragon TV & BTV) 2.448
5 The Drug Hunter (Dragon TV & JSTV) 2.184
6 The Story of Zheng Yang Gate 2 (BTV & JSTV) 2.136
7 Like a Flowing River (Dragon TV & BTV) 2.117
8 Long Time No See (Dragon TV & BTV) 2.004
9 Love’s Lies (Dragon TV & BTV) 1.803
10 The Way We Were (Dragon TV & BTV) 1.753
11 Lost in 1949 (Dragon TV & BTV) 1.729
12 Mr. Nanny (Dragon TV & ZJSTV) 1.714
13 Ashes of Love (JSTV) 1.301
14 The Family (BTV) 1.274
15 Mask (BTV) 1.231
16 Negotiator (Hunan TV) 1.192
17 Red Rose (Ep. 29-48) (JSTV) 1.104
18 Old Boy (Hunan TV) 1.081
19 Flipped in My Youth (Hunan TV) 1.043
20 Sweet Dreams (Hunan TV) 1.018
21 Blade AttacKing (JSTV) 0.981
22 Patriot (JSTV) 0.959
23 Peace Hotel (ZJSTV) 0.944
24 Our Glamorous Time (Dragon TV) 0.849
25 Meteor Garden (Hunan TV) 0.841
26 The Great River (JSTV) 0.841
27 Legend of Fuyao (ZJSTV) 0.84
28 Here to Heart (Hunan TV) 0.838
29 Sweet Combat (Hunan TV) 0.833
30 Always with You (ZJSTV) 0.794

Source: Wikipedia

Note: The list includes reruns, the numbers indicate the average ratings in %.